UpHeron
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Servers and applications

CVE-2021-39121

Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2.

Severity
Medium 4.3
Published
8 Sept 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.5.18, 8.13.10, 8.18.2
Sources
NVD

Affected software

SoftwareAffected versions
JiraServers and applications · cpe:a:atlassian:jira
  • Every version before 8.5.18
JiraServers and applications · cpe:a:atlassian:jira_data_center
  • From 8.6.0 before 8.13.10
  • From 8.14.0 before 8.18.2
JiraServers and applications · cpe:a:atlassian:jira_server
  • From 8.6.0 before 8.13.10
  • From 8.14.0 before 8.18.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-39121
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-39121