CVE-2021-43946: Atlassian Jira Data Center

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to add administrator groups to filter subscriptions via a Broken Access Control vulnerability in the /secure/EditSubscription.jspa endpoint. The affected versions are before version 8.13.21, and from version 8.14.0 before 8.20.9.

Affected products

• Atlassian Jira Data Center: before 8.13.21 (fixed in 8.13.21); from 8.14.0, before 8.20.9 (fixed in 8.20.9)
• Atlassian Jira Server: before 8.13.21 (fixed in 8.13.21); from 8.14.0, before 8.20.9 (fixed in 8.20.9)

Published 2022-01-05. Last modified 2026-06-17.