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

Severity: high (CVSS 8.5 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-25 · updated 2026-06-17
Weakness: CWE-427

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.

Affected products

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

How to fix

Upgrade to a fixed version: Commvault for Windows 11.20.202, 11.28.124, 11.32.65, 11.34.37. Check the vendor advisory for mitigations.

References

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