{"containers": {"cna": {"affected": [{"product": "Crowd", "vendor": "Atlassian", "versions": [{"lessThan": "3.6.2", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "3.7.0", "versionType": "custom"}, {"lessThan": "3.7.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2020-02-05T00:00:00", "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."}], "problemTypes": [{"descriptions": [{"description": "Improper Restriction of XML External Entity Reference", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-02-10T16:41:55", "orgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66", "shortName": "atlassian"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://jira.atlassian.com/browse/CWD-5526"}, {"tags": ["x_refsource_MISC"], "url": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@atlassian.com", "DATE_PUBLIC": "2020-02-05T00:00:00", "ID": "CVE-2019-20104", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Crowd", "version": {"version_data": [{"version_affected": "<", "version_value": "3.6.2"}, {"version_affected": ">=", "version_value": "3.7.0"}, {"version_affected": "<", "version_value": "3.7.1"}]}}]}, "vendor_name": "Atlassian"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper Restriction of XML External Entity Reference"}]}]}, "references": {"reference_data": [{"name": "https://jira.atlassian.com/browse/CWD-5526", "refsource": "MISC", "url": "https://jira.atlassian.com/browse/CWD-5526"}, {"name": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/", "refsource": "MISC", "url": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/"}]}}}}, "cveMetadata": {"assignerOrgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66", "assignerShortName": "atlassian", "cveId": "CVE-2019-20104", "datePublished": "2020-02-05T00:00:00", "dateReserved": "2019-12-30T00:00:00", "dateUpdated": "2020-02-10T16:41:55", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "matchCriteriaId": "10182807-762F-492A-A74F-AAF659F8B45B", "versionEndExcluding": "3.2.11", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "matchCriteriaId": "ACABB443-7E07-4C6F-A32B-DD2F78603E81", "versionEndExcluding": "3.3.8", "versionStartIncluding": "3.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "matchCriteriaId": "8C438EFF-3115-4932-A8E4-2A3D333C0420", "versionEndExcluding": "3.4.7", "versionStartIncluding": "3.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "matchCriteriaId": "32363B16-622B-40B2-81FD-891350688619", "versionEndExcluding": "3.5.2", "versionStartIncluding": "3.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "matchCriteriaId": "F5E26921-D031-47FE-98BA-E0BDF43A1CDD", "versionEndExcluding": "3.6.2", "versionStartIncluding": "3.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "matchCriteriaId": "ED1160D9-F1BB-4D34-9240-9ECB04C2D19A", "versionEndExcluding": "3.7.1", "versionStartIncluding": "3.6.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*", "matchCriteriaId": "CB431461-C139-4E40-9B50-CEE0EDAE6679", "versionEndExcluding": "4.0.0", "versionStartIncluding": "3.7.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}], "id": "CVE-2019-20104", "lastModified": "2022-01-01T19:56:39.010", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-02-06T03:15:10.123", "references": [{"source": "security@atlassian.com", "tags": ["Vendor Advisory"], "url": "https://jira.atlassian.com/browse/CWD-5526"}, {"source": "security@atlassian.com", "tags": ["Exploit", "Technical Description"], "url": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/"}], "sourceIdentifier": "security@atlassian.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-776"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}