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CVE-2024-21674

Confluence Data Center and Server - Confluence Server

Atlassian CVSS 7.5 Updated April 6, 2026

Executive Risk Summary

"A high-severity Remote Code Execution (RCE) vulnerability exists in Confluence Data Center and Server, allowing an unauthenticated attacker to execute system commands. This vulnerability has a CVSS Score of 8.6 and can be exploited without user interaction, posing a significant risk to confidentiality."

Anticipated Attack Path

  1. 1. Initial Exploitation: Unauthenticated attacker sends malicious request to Confluence Server
  2. 2. Privilege Escalation: Attacker gains access to sensitive data and system resources
  3. 3. Lateral Movement: Attacker potentially moves laterally within the network, exploiting other vulnerabilities

Am I Vulnerable?

  • Verify Confluence Server version and upgrade to a supported fixed version
  • Monitor system logs for suspicious activity
  • Implement additional security measures, such as network segmentation and access controls

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 process

Internal Work Notes

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

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.