{ "id": "CVE-2020-15655", "sourceIdentifier": "security@mozilla.org", "published": "2020-08-10T18:15:12.497", "lastModified": "2024-11-21T05:05:57.287", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1." }, { "lang": "es", "value": "Una petici\u00f3n HTTP redireccionada que es observada o modificada por medio de una extensi\u00f3n web podr\u00eda omitir las comprobaciones de CORS existentes, conllevando a una potencial divulgaci\u00f3n de informaci\u00f3n de origen cruzado. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a 78.1, Firefox versiones anteriores a 79 y Thunderbird versiones anteriores a 78.1" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE" }, "exploitabilityScore": 2.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "baseScore": 4.3, "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "versionEndExcluding": "79.0", "matchCriteriaId": "89415068-6F07-4D38-9BE8-EAC175A310DF" }, { "vulnerable": true, "criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "versionEndExcluding": "78.1", "matchCriteriaId": "E1B90123-60A0-407C-BCCD-083FA3FEECCC" }, { "vulnerable": true, "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "versionEndExcluding": "78.1", "matchCriteriaId": "B31A7BCE-C606-43F5-ABAA-F76B75BFDF3C" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB" } ] } ] } ], "references": [ { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html", "source": "security@mozilla.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1645204", "source": "security@mozilla.org", "tags": [ "Issue Tracking", "Vendor Advisory" ] }, { "url": "https://usn.ubuntu.com/4443-1/", "source": "security@mozilla.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2020-30/", "source": "security@mozilla.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2020-32/", "source": "security@mozilla.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2020-33/", "source": "security@mozilla.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1645204", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Vendor Advisory" ] }, { "url": "https://usn.ubuntu.com/4443-1/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2020-30/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2020-32/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2020-33/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] } ] }