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CVE-2024-21683

Confluence Data Center and Server - Confluence Server

Atlassian CVSS 8.8 Updated April 6, 2026

Executive Risk Summary

"A high-severity Remote Code Execution (RCE) vulnerability exists in Confluence Data Center and Server, allowing an authenticated attacker to execute arbitrary code with high impact on confidentiality, integrity, and availability. This vulnerability can be exploited without user interaction and has a CVSS score of 7.2."

Anticipated Attack Path

  1. 1. Initial Exploitation: Authenticated attacker sends malicious request to Confluence Server
  2. 2. Privilege Escalation: Attacker gains elevated privileges to execute arbitrary code
  3. 3. Lateral Movement: Attacker potentially moves laterally within the network

Am I Vulnerable?

  • Verify Confluence Server version and upgrade to a fixed version
  • Monitor system logs for suspicious activity
  • Restrict access to Confluence Server to only necessary personnel

Operational Audit Arsenal

Target Type Java-based web application
Target Asset confluence
Standard Path /opt/atlassian/confluence

Manual Verification Required

This is a non-Windows asset (Atlassian). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

Potential downtime during upgrade

Internal Work Notes

High-severity RCE vulnerability in Confluence Data Center and Server, requiring immediate upgrade to a fixed version to prevent exploitation.

Technical Intelligence & Operational Utilities • Delivered Weekly

Intelligence Sources

Related Atlassian Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.