CVE-2024-21683: Atlassian Confluence Data Center

High severity, CVSS 8.8. EPSS: 88.3% chance of exploitation in the next 30 days.

This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.2, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction.  Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions. See the release notes https://confluence.atlassian.com/doc/confluence-release-notes-327.html You can download the latest version of Confluence Data Center and Server from the download center https://www.atlassian.com/software/confluence/download-archives. This vulnerability was found internally.

Affected products

• Atlassian Confluence Data Center: from 7.19.0, before 7.19.24 (fixed in 7.19.24); from 7.20.0, up to and including 7.20.3; from 8.0.0, up to and including 8.0.4; from 8.1.0, up to and including 8.1.4; from 8.2.0, up to and including 8.2.3; from 8.3.0, up to and including 8.3.4; …
• Atlassian Confluence Server: from 7.19.0, before 7.19.24 (fixed in 7.19.24); from 7.20.0, up to and including 7.20.3; from 8.0.0, up to and including 8.0.4; from 8.1.0, up to and including 8.1.4; from 8.2.0, up to and including 8.2.3; from 8.3.0, up to and including 8.3.4; …
• Atlassian Crucible: from 4.8.0, before 4.8.15 (fixed in 4.8.15)
• Atlassian Fisheye: from 4.8.0, before 4.8.15 (fixed in 4.8.15)
• Atlassian Jira Data Center: from 9.4.0, before 9.4.21 (fixed in 9.4.21); from 9.12.0, before 9.12.8 (fixed in 9.12.8)
• Atlassian Jira Server: from 9.4.0, before 9.4.21 (fixed in 9.4.21); from 9.12.0, before 9.12.8 (fixed in 9.12.8)
• Atlassian Jira Service Management: from 5.4.0, before 5.4.21 (fixed in 5.4.21); from 5.12.0, before 5.12.8 (fixed in 5.12.8); from 5.15.2, before 5.16.0 (fixed in 5.16.0); version 5.15.2 only

Published 2024-05-21. Last modified 2026-06-17.