RCE in Atlassian Confluence Data Center

CVE-2024-21683

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.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.883 (99.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21683?
CVE-2024-21683 is a high-severity vulnerability in Atlassian Confluence Data Center, classified under Code Injection. CVSS score: 8.8/10. Published 2024-05-21.
How severe is CVE-2024-21683?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-21683 known to be exploited?
48 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.