CVE-2020-14181 json
Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure v…
published 6y ago modified 4mo ago also EUVD-2020-6338
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 99.7%
- EPSS 99.7% chance of exploitation in 30 days, percentile 99.9%
- public exploits
- 2
- Metasploit and Exploit-DB, plus a Nuclei check
Summary
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.
Patch / fix
- Atlassian Jira Server 7.13.6, 8.5.7, 8.12.0
Is CVE-2020-14181 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerTimeline
- First public exploit (Metasploit auxiliary/scanner/http/jira_user_enum)
- Published
Exploit prediction
99.69% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit auxiliary/scanner/http/jira_user_enum Jira Users Enumeration metasploit auxiliary, normal rank, 2020-08-16
- EDB-49633 Atlassian JIRA 8.11.1 - User Enumeration webapps, 2021-03-10
- Nuclei template Jira Server and Data Center - Information Disclosure nuclei detection template
- packetstormsecurity.com http://packetstormsecurity.com/files/161730/Atlassian-JIRA-8.11.1-User-Enumeration.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Atlassian Jira Server
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
packetstormsecurity.com
/files/161730/Atlassian-JIRA-8.11.1-User-Enumeration.html
exploit, third-party-advisory, vdb-entry
-
jira.atlassian.com
/browse/JRASERVER-71560
issue-tracking, vendor-advisory
Sources
- CVE List CVE-2020-14181
- NVD CVE-2020-14181
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.