CVE-2021-41306: Atlassian Jira

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view private project and filter names via an Insecure Direct Object References (IDOR) vulnerability in the Average Time in Status Gadget. The affected versions are before version 8.13.12, and from version 8.14.0 before 8.20.0.

Affected products

• Atlassian Jira: before 8.13.12 (fixed in 8.13.12)
• Atlassian Jira Server: from 8.14.0, before 8.20.0 (fixed in 8.20.0)
• Atlassian Jira Software Data Center: before 8.13.12 (fixed in 8.13.12); from 8.14.0, before 8.20.0 (fixed in 8.20.0)

Published 2021-10-26. Last modified 2026-06-17.