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{"id": "RH:CVE-2017-20146", "vendorId": null, "type": "redhatcve", "bulletinFamily": "info", "title": "CVE-2017-20146", "description": "A flaw was found in Gorilla. Usage of the CORS handler may apply improper CORS headers, allowing the requester to explicitly control the value of the Access-Control-Allow-Origin header, which bypasses the expected behavior of the Same Origin Policy.\n", "published": "2023-01-04T20:35:12", "modified": "2023-11-03T02:04:30", "epss": [{"cve": "CVE-2017-20146", "epss": 0.00073, "percentile": 0.30358, "modified": "2023-12-03"}], "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 7.5}, "severity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL"}, "exploitabilityScore": 3.9, "impactScore": 5.9}, "href": "https://access.redhat.com/security/cve/cve-2017-20146", "reporter": "redhat.com", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-20146\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-20146\nhttps://github.com/gorilla/handlers/commit/90663712d74cb411cbef281bc1e08c19d1a76145\nhttps://github.com/gorilla/handlers/pull/116\nhttps://pkg.go.dev/vuln/GO-2020-0020", "https://bugzilla.redhat.com/show_bug.cgi?id=2158262"], "cvelist": ["CVE-2017-20146"], "immutableFields": [], "lastseen": "2023-12-03T20:37:04", "viewCount": 8, "enchantments": {"dependencies": {"references": [{"type": "cve", "idList": ["CVE-2017-20146"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2017-20146"]}, {"type": "github", "idList": ["GHSA-JCR6-MMJJ-PCHW"]}, {"type": "osv", "idList": ["OSV:GHSA-JCR6-MMJJ-PCHW", "OSV:GO-2020-0020"]}, {"type": "prion", "idList": ["PRION:CVE-2017-20146"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2017-20146"]}, {"type": "veracode", "idList": ["VERACODE:38854"]}]}, "score": {"value": 2.9, "vector": "NONE"}, "epss": [{"cve": "CVE-2017-20146", "epss": 0.00063, "percentile": 0.25357, "modified": "2023-05-02"}], "vulnersScore": 2.9}, "_state": {"dependencies": 1701637463, "score": 1701635924, "epss": 0}, "_internal": {"score_hash": "ae4da49ab8a1621c67c4ebd563fe0519"}, "vendorCvss": {"score": "7.0", "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L"}}

{"osv": [{"lastseen": "2023-01-10T22:51:31", "description": "Usage of the CORS handler may apply improper CORS headers, allowing the requester to explicitly control the value of the Access-Control-Allow-Origin header, which bypasses the expected behavior of the Same Origin Policy.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-04-14T20:04:52", "type": "osv", "title": "GO-2020-0020", "bulletinFamily": "software", "cvss2": {}, "cvelist": ["CVE-2017-20146"], "modified": "2023-01-10T21:45:49", "id": "OSV:GO-2020-0020", "href": "https://osv.dev/vulnerability/GO-2020-0020", "cvss": {"score": 0.0, 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"cvelist": ["CVE-2017-20146"], "modified": "2022-12-27T00:00:00", "id": "UB:CVE-2017-20146", "href": "https://ubuntu.com/security/CVE-2017-20146", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "debiancve": [{"lastseen": "2023-12-03T15:21:23", "description": "Usage of the CORS handler may apply improper CORS headers, allowing the requester to explicitly control the value of the Access-Control-Allow-Origin header, which bypasses the expected behavior of the Same Origin Policy.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-12-27T22:15:00", "type": "debiancve", "title": "CVE-2017-20146", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-20146"], "modified": "2022-12-27T22:15:00", "id": "DEBIANCVE:CVE-2017-20146", "href": "https://security-tracker.debian.org/tracker/CVE-2017-20146", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "cve": [{"lastseen": "2023-12-03T15:11:53", "description": "Usage of the CORS handler may apply improper CORS headers, allowing the requester to explicitly control the value of the Access-Control-Allow-Origin header, which bypasses the expected behavior of the Same Origin Policy.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-12-27T22:15:00", "type": "cve", "title": "CVE-2017-20146", "cwe": ["CWE-346"], "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-20146"], "modified": "2023-01-06T16:26:00", "cpe": [], "id": "CVE-2017-20146", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-20146", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}, "cpe23": []}], "veracode": [{"lastseen": "2023-12-03T20:07:48", "description": "github.com/gorilla/handlers is vulnerable to authorization bypass. The vulnerability exists in the `ServeHTTP` function in `cors.go` due to improperly implemented CORS headers which allows an attacker to bypass header values. \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2023-01-12T09:37:28", "type": "veracode", "title": "Authorization Bypass", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-20146"], "modified": "2023-01-14T21:40:25", "id": "VERACODE:38854", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-38854/summary", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "github": [{"lastseen": "2023-12-03T17:26:50", "description": "Usage of the CORS handler may apply improper CORS headers, allowing the requester to explicitly control the value of the Access-Control-Allow-Origin header, which bypasses the expected behavior of the Same Origin Policy.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-12-28T00:30:23", "type": "github", "title": "gorilla/handlers may allow requester to bypass expected behavior of the Same Origin Policy", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-20146"], "modified": "2023-02-03T05:01:32", "id": "GHSA-JCR6-MMJJ-PCHW", "href": "https://github.com/advisories/GHSA-jcr6-mmjj-pchw", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}]}