{"id":"CVE-2020-14181","aliases":["EUVD-2020-6338","GHSA-hpxx-cq4g-w5wr"],"status":"published","title":"Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to...","description":"Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. The affected versions are before version 7.13.6, from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.99686,"percentile":0.9995,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-200"],"published":"2020-09-17T00:35:13Z","modified":"2026-06-17T02:54:21Z","exploits":[{"source":"pocgithub","id":"und3sc0n0c1d0/UserEnumJira","title":"und3sc0n0c1d0/UserEnumJira","date":"2020-09-15","url":"https://github.com/und3sc0n0c1d0/UserEnumJira"},{"source":"pocgithub","id":"Rival420/CVE-2020-14181","title":"Rival420/CVE-2020-14181","date":"2020-10-26","url":"https://github.com/Rival420/CVE-2020-14181"},{"source":"pocgithub","id":"bk-rao/CVE-2020-14181","title":"bk-rao/CVE-2020-14181","date":"2021-02-05","url":"https://github.com/bk-rao/CVE-2020-14181"},{"source":"exploitdb","id":"EDB-49633","title":"Atlassian JIRA 8.11.1 - User Enumeration","type":"webapps","platform":"multiple","date":"2021-03-10","url":"https://www.exploit-db.com/exploits/49633"},{"source":"metasploit","id":"auxiliary/scanner/http/jira_user_enum","title":"Jira Users Enumeration","type":"auxiliary","date":"2020-08-16","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/scanner/http/jira_user_enum"},{"source":"nuclei","id":"CVE-2020-14181","title":"Jira Server and Data Center - Information Disclosure","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-14181.yaml"}],"products":[{"vendor":"atlassian","product":"data_center"},{"vendor":"atlassian","product":"jira"},{"vendor":"atlassian","product":"jira server"},{"vendor":"atlassian","product":"jira_server"}],"references":[{"url":"https://jira.atlassian.com/browse/JRASERVER-71560","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/161730/Atlassian-JIRA-8.11.1-User-Enumeration.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14181"},{"url":"https://github.com/advisories/GHSA-hpxx-cq4g-w5wr"}],"sources":{"cve":[{"id":"CVE-2020-14181","description":"Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. The affected versions are before version 7.13.6, from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0.","status":"published","published":"2020-09-17T00:35:13.239Z","modified":"2024-09-16T21:57:12.718Z","updated_at":"2026-11-02T14:35:46.873079Z"}],"euvd":[{"id":"EUVD-2020-6338","description":"Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. The affected versions are before version 7.13.6, from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0.","status":"published","published":"2020-09-17T00:35:13Z","modified":"2024-09-16T21:57:12Z","updated_at":"2026-11-03T00:55:07.221362Z"}],"ghsa":[{"id":"GHSA-hpxx-cq4g-w5wr","title":"Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to...","description":"Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. The affected versions are before version 7.13.6, from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0.","status":"published","published":"2022-05-24T17:28:54Z","modified":"2023-01-29T05:04:09Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:45:28.958037Z"}],"nvd":[{"id":"CVE-2020-14181","description":"Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. The affected versions are before version 7.13.6, from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0.","status":"published","published":"2020-09-17T01:15:11.747Z","modified":"2026-06-17T02:54:21.11Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:06:15.83396Z"}]}}