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{"id": "ZDI-21-1364", "vendorId": null, "type": "zdi", "bulletinFamily": "info", "title": "Trend Micro Worry-Free Business Security Unnecessary Privileges Local Privilege Escalation Vulnerability", "description": "This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Worry-Free Business Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Security Server. The issue results from allowing an untrusted process to impersonate the client of a pipe. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.", "published": "2021-11-30T00:00:00", "modified": "2021-11-30T00:00:00", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}, "cvss2": {"acInsufInfo": false, "cvssV2": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "HIGH", "userInteractionRequired": false}, "cvss3": {"cvssV3": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9}, "href": "https://www.zerodayinitiative.com/advisories/ZDI-21-1364/", "reporter": "Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative", "references": ["https://success.trendmicro.com/solution/000289230"], "cvelist": ["CVE-2021-44019"], "immutableFields": [], "lastseen": "2022-02-10T00:00:00", "viewCount": 3, "enchantments": {"dependencies": {"references": [{"type": "cve", "idList": ["CVE-2021-44019"]}], "rev": 4}, "score": {"value": 5.1, "vector": "NONE"}, "backreferences": {"references": [{"type": "cve", "idList": ["CVE-2021-44019"]}]}, "exploitation": null, "vulnersScore": 5.1}, "_state": {"dependencies": 1646492024}}

{"cve": [{"lastseen": "2022-03-23T19:47:12", "description": "An unnecessary privilege vulnerability in Trend Micro Worry-Free Business Security 10.0 SP1 could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. This vulnerability is similar to but not identical to CVE-2021-44019 and 44020.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-12-03T11:15:00", "type": "cve", "title": "CVE-2021-44021", "cwe": ["CWE-269"], "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44019", "CVE-2021-44021"], "modified": "2021-12-06T20:15:00", "cpe": ["cpe:/a:trendmicro:worry-free_business_security:10.0"], "id": "CVE-2021-44021", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44021", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}, "cpe23": ["cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*"]}, {"lastseen": "2022-03-23T19:47:10", "description": "An unnecessary privilege vulnerability in Trend Micro Worry-Free Business Security 10.0 SP1 could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. This vulnerability is similar to but not identical to CVE-2021-44020 and 44021.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-12-03T11:15:00", "type": "cve", "title": "CVE-2021-44019", "cwe": ["CWE-269"], "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44019", "CVE-2021-44020"], "modified": "2021-12-06T20:43:00", "cpe": ["cpe:/a:trendmicro:worry-free_business_security:10.0"], "id": "CVE-2021-44019", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44019", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}, "cpe23": ["cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*"]}, {"lastseen": "2022-03-23T19:47:15", "description": "An unnecessary privilege vulnerability in Trend Micro Worry-Free Business Security 10.0 SP1 could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. This vulnerability is similar to but not identical to CVE-2021-44019 and 44021.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-12-03T11:15:00", "type": "cve", "title": "CVE-2021-44020", "cwe": ["CWE-269"], "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-44019", "CVE-2021-44020"], "modified": "2021-12-06T20:43:00", "cpe": ["cpe:/a:trendmicro:worry-free_business_security:10.0"], "id": "CVE-2021-44020", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44020", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}, "cpe23": ["cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*"]}]}