{"id":"CVE-2019-20104","state":"PUBLISHED","title":"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 ","description":"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.","publishedAt":"2020-02-06T03:10:24.881Z","updatedAt":"2024-09-16T17:04:16.877Z","severity":null,"assigner":"atlassian","products":["Atlassian Crowd"],"affected":[{"vendor":"Atlassian","product":"Crowd","versions":[{"version":"unspecified","status":"affected","lessThan":"3.6.2","versionType":"custom"},{"version":"3.7.0","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"unspecified","status":"affected","lessThan":"3.7.1","versionType":"custom"}]}],"references":["https://jira.atlassian.com/browse/CWD-5526","https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:50.141Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/20xxx/CVE-2019-20104.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-20104","state":"PUBLISHED","datePublished":"2020-02-06T03:10:24.881Z","dateUpdated":"2024-09-16T17:04:16.877Z","assignerShortName":"atlassian","assignerOrgId":"f08a6ab8-ed46-4c22-8884-d911ccfe3c66","dateReserved":"2019-12-30T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"Atlassian","product":"Crowd","versions":[{"version":"unspecified","status":"affected","lessThan":"3.6.2","versionType":"custom"},{"version":"3.7.0","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"unspecified","status":"affected","lessThan":"3.7.1","versionType":"custom"}]}],"references":[{"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/","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"Improper Restriction of XML External Entity Reference","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"atlassian","dateUpdated":"2020-02-10T16:41:55.000Z","orgId":"f08a6ab8-ed46-4c22-8884-d911ccfe3c66"},"datePublic":"2020-02-05T00:00:00.000Z","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/"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://jira.atlassian.com/browse/CWD-5526","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T02:32:10.611Z"}}]}}}