CVE-2024-21673
CWE-94Published: January 16, 2024· Updated: Jun 17, 2026
Official Description
This High severity Remote Code Execution (RCE) vulnerability was introduced in versions 7.13.0 of Confluence Data Center and Server.
Remote Code Execution (RCE) vulnerability, with a CVSS Score of 8.0 and a CVSS Vector of CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H allows an authenticated attacker to expose assets in your environment susceptible to exploitation which has high impact to confidentiality, high impact to integrity, high impact to availability, and does not require 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:
* Confluence Data Center and Server 7.19: Upgrade to a release 7.19.18, or any higher 7.19.x release
* Confluence Data Center and Server 8.5: Upgrade to a release 8.5.5 or any higher 8.5.x release
* Confluence Data Center and Server 8.7: Upgrade to a release 8.7.2 or any higher release
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 ).
Technical Analysis
CVE-2024-21673 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (3)
Quick Facts
Related CVEs (CWE-94)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-21673 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts