{ "id": "CVE-2019-20104", "sourceIdentifier": "security@atlassian.com", "published": "2020-02-06T03:15:10.123", "lastModified": "2024-11-21T04:38:04.280", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "The OpenID client application in Atlassian Crowd before version 3.6.2, and from version 3.7.0 before 3.7.1 allows remote attackers to perform a Denial of Service attack via an XML Entity Expansion vulnerability." }, { "lang": "es", "value": "La aplicaci\u00f3n de cliente OpenID en Atlassian Crowd antes de la versi\u00f3n 3.6.2 y desde la versi\u00f3n 3.7.0 anteriores a 3.7.1, permite a atacantes remotos llevar a cabo un ataque de Denegaci\u00f3n de Servicio por medio de una vulnerabilidad de tipo XML Entity Expansion." } ], "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:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "baseScore": 5.0, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-776" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.2.11", "matchCriteriaId": "10182807-762F-492A-A74F-AAF659F8B45B" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3.0", "versionEndExcluding": "3.3.8", "matchCriteriaId": "ACABB443-7E07-4C6F-A32B-DD2F78603E81" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4.0", "versionEndExcluding": "3.4.7", "matchCriteriaId": "8C438EFF-3115-4932-A8E4-2A3D333C0420" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5.0", "versionEndExcluding": "3.5.2", "matchCriteriaId": "32363B16-622B-40B2-81FD-891350688619" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6.0", "versionEndExcluding": "3.6.2", "matchCriteriaId": "F5E26921-D031-47FE-98BA-E0BDF43A1CDD" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6.3", "versionEndExcluding": "3.7.1", "matchCriteriaId": "ED1160D9-F1BB-4D34-9240-9ECB04C2D19A" }, { "vulnerable": true, "criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.7.2", "versionEndExcluding": "4.0.0", "matchCriteriaId": "CB431461-C139-4E40-9B50-CEE0EDAE6679" } ] } ] } ], "references": [ { "url": "https://jira.atlassian.com/browse/CWD-5526", "source": "security@atlassian.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/", "source": "security@atlassian.com", "tags": [ "Exploit", "Technical Description" ] }, { "url": "https://jira.atlassian.com/browse/CWD-5526", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Technical Description" ] } ] }