High CVSS 8.5

Overview

A local privilege escalation vulnerability exists in Commvault for Windows versions 11.20.0, 11.28.0, 11.32.0, 11.34.0, and 11.36.0. In affected configurations, a local attacker who owns a client system with the file server agent installed can compromise any assigned Windows access nodes. This may allow unauthorized access or lateral movement within the backup infrastructure. The issue has been resolved in versions 11.32.60, 11.34.34, and 11.36.8.

Risk analysis

This vulnerability is rated 🟠 HIGH.

  • CVSS: 8.5 (HIGH)
  • Detected tags: priv_esc, unauth_access (tag impact: HIGH)

Recommended actions:

  • Fix privilege escalation urgently.
  • Enforce least-privilege and strengthen EDR detection.
  • Enforce authentication/authorization; reduce default endpoint exposure.

Recommended tools

Tags