{ "id": "CVE-2021-37843", "sourceIdentifier": "cve@mitre.org", "published": "2021-08-02T19:15:08.567", "lastModified": "2021-08-11T13:53:07.453", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The resolution SAML SSO apps for Atlassian products allow a remote attacker to login to a user account when only the username is known (i.e., no other authentication is provided). The fixed versions are for Jira: 3.6.6.1, 4.0.12, 5.0.5; for Confluence 3.6.6, 4.0.12, 5.0.5; for Bitbucket 2.5.9, 3.6.6, 4.0.12, 5.0.5; for Bamboo 2.5.9, 3.6.6, 4.0.12, 5.0.5; and for Fisheye 2.5.9." }, { "lang": "es", "value": "Las aplicaciones SAML SSO de resoluci\u00f3n para los productos de Atlassian permiten a un atacante remoto acceder a una cuenta de usuario cuando s\u00f3lo se conoce el nombre de usuario (es decir, no se proporciona ninguna otra autenticaci\u00f3n). Las versiones corregidas son para Jira: 3.6.6.1, 4.0.12, 5.0.5; para Confluence 3.6.6, 4.0.12, 5.0.5; para Bitbucket 2.5.9, 3.6.6, 4.0.12, 5.0.5; para Bamboo 2.5.9, 3.6.6, 4.0.12, 5.0.5; y para Fisheye 2.5.9" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "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 }, { "source": "cve@mitre.org", "type": "Secondary", "cvssData": { "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 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "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 }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-306" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bamboo:*:*", "versionEndExcluding": "2.5.9", "matchCriteriaId": "BD39D258-45B8-434F-BCA9-FC48C909B096" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:bitbucket:*:*", "versionEndExcluding": "2.5.9", "matchCriteriaId": "FA97D8DF-2000-4491-8B4D-112B738DD10E" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:fisheye:*:*", "versionEndExcluding": "2.5.9", "matchCriteriaId": "CE765A7D-D11F-4BE1-A966-E2D4909F07AE" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:*", "versionEndExcluding": "3.5.6", "matchCriteriaId": "307D4F7D-A358-4B3D-B71A-D7A1B0D6ADDB" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:jira:*:*", "versionEndExcluding": "3.6.6.1", "matchCriteriaId": "AD7C8764-BBB2-42D6-B2D6-BB8DCE397839" }, { "vulnerable": true, "criteria": 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"4FCA80B4-5D1C-47EF-B050-25317040D58D" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:confluence:*:*", "versionStartIncluding": "5.0.0", "versionEndExcluding": "5.0.5", "matchCriteriaId": "C8F83938-C132-4AFA-9171-DED93B641532" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:saml_single_sign_on:*:*:*:*:*:jira:*:*", "versionStartIncluding": "5.0.0", "versionEndExcluding": "5.0.5", "matchCriteriaId": "E062ADF6-CA0C-481A-B684-9FC7387976D2" } ] } ] } ], "references": [ { "url": "https://wiki.resolution.de/doc/saml-sso/5.0.x/all/security-advisories/2021-07-29-authentication-bypass-network-attacker-can-login-to-users-accounts-when-usernames-are-known", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }