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{"id": "CVE-2021-44225", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2021-44225", "description": "In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user to inspect and manipulate any property. This leads to access-control bypass in some situations in which an unrelated D-Bus system service has a settable (writable) property", "published": "2021-11-26T00:15:00", "modified": "2022-07-12T17:42:00", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 5.5}, "severity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM"}, "exploitabilityScore": 2.8, "impactScore": 2.5}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44225", "reporter": "cve@mitre.org", "references": ["https://github.com/acassen/keepalived/commit/7977fec0be89ae6fe87405b3f8da2f0b5e415e3d", "https://github.com/acassen/keepalived/pull/2063", "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5226RYNMNB7FL4MSJDIBBGPUWH6LMRYV/", "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6O2R6EXURJQFPFPYFWRCZLUYVWQCLSZM/"], "cvelist": ["CVE-2021-44225"], "immutableFields": [], "lastseen": "2022-07-13T18:04:37", "viewCount": 53, "enchantments": {"dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2022:1930"]}, {"type": "alpinelinux", "idList": ["ALPINE:CVE-2021-44225"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2021-44225"]}, {"type": "fedora", "idList": ["FEDORA:32D48315E868", "FEDORA:F3110311B137"]}, {"type": "mageia", "idList": ["MGASA-2021-0567"]}, {"type": "nessus", "idList": ["ALMA_LINUX_ALSA-2022-1930.NASL", "CENTOS8_RHSA-2022-1930.NASL", "EULEROS_SA-2022-1291.NASL", "EULEROS_SA-2022-1307.NASL", "EULEROS_SA-2022-1351.NASL", "EULEROS_SA-2022-1375.NASL", "EULEROS_SA-2022-1401.NASL", "EULEROS_SA-2022-1465.NASL", "EULEROS_SA-2022-1474.NASL", "EULEROS_SA-2022-1696.NASL", "EULEROS_SA-2022-1734.NASL", "PHOTONOS_PHSA-2022-3_0-0348_KEEPALIVED.NASL", "REDHAT-RHSA-2022-1930.NASL", "ROCKY_LINUX_RLSA-2022-1930.NASL", "UBUNTU_USN-5188-1.NASL"]}, {"type": "oraclelinux", "idList": ["ELSA-2022-1930"]}, {"type": "photon", "idList": ["PHSA-2022-0348", "PHSA-2022-3.0-0348"]}, {"type": "redhat", "idList": ["RHSA-2022:1930"]}, {"type": "redhatcve", "idList": ["RH:CVE-2021-44225"]}, {"type": "rocky", "idList": ["RLSA-2022:1930"]}, {"type": "ubuntu", "idList": ["USN-5188-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2021-44225"]}, {"type": "veracode", "idList": ["VERACODE:33245"]}]}, "score": {"value": 2.5, "vector": "NONE"}, "twitter": {"counter": 4, "tweets": [{"link": "https://twitter.com/RemotelyAlerts/status/1466847604231213056", "text": "Severity: | In Keepalived through 2.2.4, the D-Bus p... | CVE-2021-44225 | Link for more: https://t.co/fwcfTbVBsK"}, {"link": "https://twitter.com/RemotelyAlerts/status/1466847604231213056", "text": "Severity: | In Keepalived through 2.2.4, the D-Bus p... | CVE-2021-44225 | Link for more: https://t.co/fwcfTbVBsK"}, {"link": "https://twitter.com/www_sesin_at/status/1467740661176803330", "text": "New post from https://t.co/9KYxtdZjkl (CVE-2021-44225 (keepalived)) has been published on https://t.co/zxNqBzKwMx"}, {"link": "https://twitter.com/WolfgangSesin/status/1467740698149638145", "text": "New post from https://t.co/uXvPWJy6tj (CVE-2021-44225 (keepalived)) has been published on https://t.co/I7mpYF8U1z"}], "modified": "2021-12-04T08:36:15"}, "backreferences": {"references": [{"type": "alpinelinux", "idList": ["ALPINE:CVE-2021-44225"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2021-44225"]}, {"type": "fedora", "idList": ["FEDORA:32D48315E868", "FEDORA:F3110311B137"]}, {"type": "nessus", "idList": ["PHOTONOS_PHSA-2022-3_0-0348_KEEPALIVED.NASL", "UBUNTU_USN-5188-1.NASL"]}, {"type": "photon", "idList": ["PHSA-2022-3.0-0348"]}, {"type": "redhatcve", "idList": ["RH:CVE-2021-44225"]}, {"type": "ubuntu", "idList": ["USN-5188-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2021-44225"]}]}, "exploitation": null, "vulnersScore": 2.5}, "_state": {"dependencies": 1660004461, "score": 1659919227}, "_internal": {"score_hash": "8892ce6a56379e36064d9353ea869345"}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": ["cpe:/o:fedoraproject:fedora:34", "cpe:/a:keepalived:keepalived:2.2.4", "cpe:/o:fedoraproject:fedora:35"], "cpe23": 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"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "cpe_name": []}]}]}, "extraReferences": [{"url": "https://github.com/acassen/keepalived/commit/7977fec0be89ae6fe87405b3f8da2f0b5e415e3d", "name": "https://github.com/acassen/keepalived/commit/7977fec0be89ae6fe87405b3f8da2f0b5e415e3d", "refsource": "MISC", "tags": ["Patch", "Third Party Advisory"]}, {"url": "https://github.com/acassen/keepalived/pull/2063", "name": "https://github.com/acassen/keepalived/pull/2063", "refsource": "MISC", "tags": ["Third Party Advisory"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5226RYNMNB7FL4MSJDIBBGPUWH6LMRYV/", "name": "FEDORA-2021-0cda131052", "refsource": "FEDORA", "tags": ["Mailing List", "Third Party Advisory"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6O2R6EXURJQFPFPYFWRCZLUYVWQCLSZM/", "name": "FEDORA-2021-255eff1bb5", "refsource": "FEDORA", "tags": ["Mailing List", 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{"redhat": [{"lastseen": "2022-05-10T11:36:02", "description": "The keepalived utility provides simple and robust facilities for load balancing and high availability. The load balancing framework relies on the well-known and widely used IP Virtual Server (IPVS) kernel module providing layer-4 (transport layer) load balancing. Keepalived implements a set of checkers to dynamically and adaptively maintain and manage a load balanced server pool according to the health of the servers. Keepalived also implements the Virtual Router Redundancy Protocol (VRRPv2) to achieve high availability with director failover.\n\nSecurity Fix(es):\n\n* keepalived: dbus access control bypass (CVE-2021-44225)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2022-05-10T06:39:24", "type": "redhat", "title": "(RHSA-2022:1930) Moderate: keepalived security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2022-05-10T10:04:48", "id": "RHSA-2022:1930", "href": "https://access.redhat.com/errata/RHSA-2022:1930", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}, {"lastseen": "2022-08-10T11:59:35", "description": "Red Hat OpenShift Container Platform is Red Hat's cloud computing\nKubernetes application platform solution designed for on-premise or private\ncloud deployments.\n\nThis advisory contains the container images for Red Hat OpenShift Container Platform 4.11.0. See the following advisory for the RPM packages for this release:\n\nhttps://access.redhat.com/errata/RHSA-2022:5068\n\nSpace precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:\n\nhttps://docs.openshift.com/container-platform/4.11/release_notes/ocp-4-11-release-notes.html\n\nSecurity Fix(es):\n\n* go-getter: command injection vulnerability (CVE-2022-26945)\n* go-getter: unsafe download (issue 1 of 3) (CVE-2022-30321)\n* go-getter: unsafe download (issue 2 of 3) (CVE-2022-30322)\n* go-getter: unsafe download (issue 3 of 3) (CVE-2022-30323)\n* nanoid: Information disclosure via valueOf() function (CVE-2021-23566)\n* sanitize-url: XSS (CVE-2021-23648)\n* minimist: prototype pollution (CVE-2021-44906)\n* node-fetch: exposure of sensitive information to an unauthorized actor (CVE-2022-0235)\n* prometheus/client_golang: Denial of service using InstrumentHandlerCounter (CVE-2022-21698)\n* golang: crash in a golang.org/x/crypto/ssh server (CVE-2022-27191)\n* go-getter: writes SSH credentials into logfile, exposing sensitive credentials to local uses (CVE-2022-29810)\n* opencontainers: OCI manifest and index parsing confusion (CVE-2021-41190)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nYou may download the oc tool and use it to inspect release image metadata as follows:\n\n(For x86_64 architecture)\n\n $ oc adm release info quay.io/openshift-release-dev/ocp-release:4.11.0-x86_64\n\nThe image digest is sha256:300bce8246cf880e792e106607925de0a404484637627edf5f517375517d54a4\n\n(For aarch64 architecture)\n\n $ oc adm release info quay.io/openshift-release-dev/ocp-release:4.11.0-aarch64\n\nThe image digest is sha256:29fa8419da2afdb64b5475d2b43dad8cc9205e566db3968c5738e7a91cf96dfe\n\n(For s390x architecture)\n\n $ oc adm release info quay.io/openshift-release-dev/ocp-release:4.11.0-s390x\n\nThe image digest is sha256:015d6180238b4024d11dfef6751143619a0458eccfb589f2058ceb1a6359dd46\n\n(For ppc64le architecture)\n\n $ oc adm release info quay.io/openshift-release-dev/ocp-release:4.11.0-ppc64le\n\nThe image digest is sha256:5052f8d5597c6656ca9b6bfd3de521504c79917aa80feb915d3c8546241f86ca\n\nAll OpenShift Container Platform 4.11 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift Console or the CLI oc command. 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Keepalived also implements the Virtual Router Redundancy Protocol (VRRPv2) to achieve high availability with director failover.\n\nSecurity Fix(es):\n\n* keepalived: dbus access control bypass (CVE-2021-44225)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2022-05-10T06:39:24", "type": "almalinux", "title": "Moderate: keepalived security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2022-05-10T08:08:11", "id": "ALSA-2022:1930", "href": "https://errata.almalinux.org/8/ALSA-2022-1930.html", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}], "oraclelinux": [{"lastseen": "2022-05-17T21:37:52", "description": "[2.1.5-8]\n- Fix DBus policy restrictions (#2028350, CVE-2021-44225)\n[2.1.5-7]\n- Fix log-facility option (#197716)", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2022-05-17T00:00:00", "type": "oraclelinux", "title": "keepalived security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2022-05-17T00:00:00", "id": "ELSA-2022-1930", "href": "http://linux.oracle.com/errata/ELSA-2022-1930.html", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}], "rocky": [{"lastseen": "2022-05-18T21:15:20", "description": "An update for keepalived is now available for Rocky Linux 8.\nRocky Linux Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.\nThe keepalived utility provides simple and robust facilities for load balancing and high availability. The load balancing framework relies on the well-known and widely used IP Virtual Server (IPVS) kernel module providing layer-4 (transport layer) load balancing. Keepalived implements a set of checkers to dynamically and adaptively maintain and manage a load balanced server pool according to the health of the servers. Keepalived also implements the Virtual Router Redundancy Protocol (VRRPv2) to achieve high availability with director failover.\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\nAdditional Changes:\nFor detailed information on changes in this release, see the Rocky Linux 8.6 Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2022-05-18T19:43:35", "type": "rocky", "title": "keepalived security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2022-05-18T19:43:35", "id": "RLSA-2022:1930", "href": "https://errata.rockylinux.org/RLSA-2022:1930", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}], "mageia": [{"lastseen": "2022-04-18T11:19:35", "description": "In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user to inspect and manipulate any property. This leads to access-control bypass in some situations in which an unrelated D-Bus system service has a settable (writable) property (CVE-2021-44225). \n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2021-12-19T12:26:08", "type": "mageia", "title": "Updated keepalived packages fix security vulnerability\n", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2021-12-19T12:26:08", "id": "MGASA-2021-0567", "href": "https://advisories.mageia.org/MGASA-2021-0567.html", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}], "veracode": [{"lastseen": "2022-07-17T12:53:14", "description": "keepalived has access-control bypass. The vulnerability exists due to the lack of sanitization of the message destination, allowing any user to inspect and manipulate any property. \n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2021-12-10T15:59:55", "type": "veracode", "title": "Access-Control Bypass", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2022-07-13T12:51:56", "id": "VERACODE:33245", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-33245/summary", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}], "fedora": [{"lastseen": "2021-12-24T00:51:42", "description": "Keepalived provides simple and robust facilities for load balancing and high availability to Linux system and Linux based infrastructures. The load balancing framework relies on well-known and widely used Linux Virtual Server (IPVS) kernel module providing Layer4 load balancing. Keepalived implements a set of checkers to dynamically and adaptively maintain and manage load-balanced server pool according their health. High availability is achieved by VRRP protocol. VRRP is a fundamental brick for router failover. In addition, keepalived implements a set of hooks to the VRRP finite state machine providing low-level and high-speed protocol interactions. Keepalived frameworks can be used independently or all together to provide resilient infrastructures. ", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2021-12-23T00:39:58", "type": "fedora", "title": "[SECURITY] Fedora 35 Update: keepalived-2.2.4-2.fc35", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2021-12-23T00:39:58", "id": "FEDORA:F3110311B137", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/5226RYNMNB7FL4MSJDIBBGPUWH6LMRYV/", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}, {"lastseen": "2021-12-24T00:51:42", "description": "Keepalived provides simple and robust facilities for load balancing and high availability to Linux system and Linux based infrastructures. The load balancing framework relies on well-known and widely used Linux Virtual Server (IPVS) kernel module providing Layer4 load balancing. Keepalived implements a set of checkers to dynamically and adaptively maintain and manage load-balanced server pool according their health. High availability is achieved by VRRP protocol. VRRP is a fundamental brick for router failover. In addition, keepalived implements a set of hooks to the VRRP finite state machine providing low-level and high-speed protocol interactions. Keepalived frameworks can be used independently or all together to provide resilient infrastructures. ", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2021-12-23T01:25:30", "type": "fedora", "title": "[SECURITY] Fedora 34 Update: keepalived-2.2.4-2.fc34", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225", "CVE-2021-442255"], "modified": "2021-12-23T01:25:30", "id": "FEDORA:32D48315E868", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/6O2R6EXURJQFPFPYFWRCZLUYVWQCLSZM/", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}], "ubuntucve": [{"lastseen": "2022-08-04T13:14:15", "description": "In Keepalived through 2.2.4, the D-Bus policy does not sufficiently\nrestrict the message destination, allowing any user to inspect and\nmanipulate any property. This leads to access-control bypass in some\nsituations in which an unrelated D-Bus system service has a settable\n(writable) property", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2021-11-26T00:00:00", "type": "ubuntucve", "title": "CVE-2021-44225", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2021-11-26T00:00:00", "id": "UB:CVE-2021-44225", "href": "https://ubuntu.com/security/CVE-2021-44225", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}], "redhatcve": [{"lastseen": "2022-07-07T17:27:50", "description": "A flaw was found in keepalived, where an improper authentication vulnerability allows an unprivileged user to change properties that could lead to an access-control bypass.\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2021-11-29T03:54:19", "type": "redhatcve", "title": "CVE-2021-44225", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2022-07-07T15:56:45", "id": "RH:CVE-2021-44225", "href": "https://access.redhat.com/security/cve/cve-2021-44225", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}], "debiancve": [{"lastseen": "2022-07-04T05:59:54", "description": "In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user to inspect and manipulate any property. This leads to access-control bypass in some situations in which an unrelated D-Bus system service has a settable (writable) property", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2021-11-26T00:15:00", "type": "debiancve", "title": "CVE-2021-44225", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2021-11-26T00:15:00", "id": "DEBIANCVE:CVE-2021-44225", "href": "https://security-tracker.debian.org/tracker/CVE-2021-44225", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}], "ubuntu": [{"lastseen": "2022-07-18T16:34:23", "description": "It was discovered that Keepalived incorrectly handled certain messages. \nAn attacker could possibly use this issue to access-control bypass.\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2021-12-13T00:00:00", "type": "ubuntu", "title": "Keepalived vulnerability", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2021-12-13T00:00:00", "id": "USN-5188-1", "href": "https://ubuntu.com/security/notices/USN-5188-1", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}], "alpinelinux": [{"lastseen": "2022-03-31T19:28:40", "description": "In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user to inspect and manipulate any property. This leads to access-control bypass in some situations in which an unrelated D-Bus system service has a settable (writable) property", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2021-11-26T00:15:00", "type": "alpinelinux", "title": "CVE-2021-44225", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225"], "modified": "2022-03-31T16:29:00", "id": "ALPINE:CVE-2021-44225", "href": "https://security.alpinelinux.org/vuln/CVE-2021-44225", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:N"}}], "photon": [{"lastseen": "2022-05-12T18:38:37", "description": "Updates of ['keepalived', 'binutils'] packages of Photon OS have been released.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-01-06T00:00:00", "type": "photon", "title": "Critical Photon OS Security Update - PHSA-2022-0348", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225", "CVE-2021-45078"], "modified": "2022-01-06T00:00:00", "id": "PHSA-2022-0348", "href": "https://github.com/vmware/photon/wiki/Security-Update-3.0-348", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2022-01-12T05:39:50", "description": "An update of {'keepalived', 'binutils'} packages of Photon OS has been released.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-01-06T00:00:00", "type": "photon", "title": "Home\nDownload Photon OS\nUser Documentation\nFAQ\nSecurity Advisories\nRelated Information\n\nLightwave - PHSA-2022-3.0-0348", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44225", "CVE-2021-45078"], "modified": "2022-01-06T00:00:00", "id": "PHSA-2022-3.0-0348", "href": "https://github.com/vmware/photon/wiki/Security-Updates-3.0-348", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}]}