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 ).
CVE ID: CVE-2024-21673
CVSS Base Severity: HIGH
CVSS Base Score: 8.8
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor: Atlassian
Product: Confluence Data Center, Confluence Server
EPSS Score: 5.2% (probability of being exploited)
EPSS Percentile: 89.41% (scored less or equal to compared to others)
EPSS Date: 2025-06-05 (when was this score calculated)
SSVC Exploitation: none
SSVC Technical Impact: total
SSVC Automatable: false