{ "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_value": "3.6.2", "version_affected": "<" }, { "version_value": "3.7.0", "version_affected": ">=" }, { "version_value": "3.7.1", "version_affected": "<" } ] } } ] }, "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": [ { "url": "https://jira.atlassian.com/browse/CWD-5526", "refsource": "MISC", "name": "https://jira.atlassian.com/browse/CWD-5526" }, { "refsource": "MISC", "name": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/", "url": "https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/" } ] } }