Medium CVSS 6.3

Overview

Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through 9.0.85, from 8.5.0 through 8.5.98.

Older, EOL versions may also be affected.


Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.

Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 6.3 (MEDIUM)
  • Detected tags: apache, dos (tag impact: LOW)

Recommended actions:

  • Rate limiting, resource quotas and circuit breakers.

Recommended tools

Tags