{"id":"CVE-2020-14181","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-14181","generatedAt":"2026-11-05T01:56:35.227Z","title":"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.","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.","published":"2020-09-17T01:15:12.000Z","lastModified":"2026-06-17T02:54:21.000Z","status":"Modified","sourceIdentifier":"security@atlassian.com","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-200"],"affected":["atlassian/data center","atlassian/jira","atlassian/jira server"],"epss":{"score":0.99603,"percentile":0.99948,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2021-03-10","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":49633,"kind":"exploit","title":"Atlassian JIRA 8.11.1 - User Enumeration","url":"https://www.exploit-db.com/exploits/49633","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/49633.py","file":"exploits/multiple/webapps/49633.py","published":"2021-03-10","added":"2021-03-10","updated":"2021-03-10","author":"Dolev Farhi","type":"webapps","platform":"multiple","port":null,"verified":false,"codes":["CVE-2020-14181"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 99.6%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/161730/Atlassian-JIRA-8.11.1-User-Enumeration.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"security@atlassian.com"},{"url":"https://jira.atlassian.com/browse/JRASERVER-71560","tags":["Issue Tracking","Vendor Advisory"],"source":"security@atlassian.com"},{"url":"http://packetstormsecurity.com/files/161730/Atlassian-JIRA-8.11.1-User-Enumeration.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://jira.atlassian.com/browse/JRASERVER-71560","tags":["Issue Tracking","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-14181","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}