Commvault Web Server < 11.36.46 RCE via Webshells (Fixed in 11.36.46)
CVE-2025-3928 Published on April 25, 2025

Commvault Web Server unspecified vulnerability
Commvault Web Server has an unspecified vulnerability that can be exploited by a remote, authenticated attacker. According to the Commvault advisory: "Webservers can be compromised through bad actors creating and executing webshells." Fixed in version 11.36.46, 11.32.89, 11.28.141, and 11.20.217 for Windows and Linux platforms. This vulnerability was added to the CISA Known Exploited Vulnerabilities (KEV) Catalog on 2025-04-28.

NVD

Known Exploited Vulnerability

This Commvault Web Server Unspecified Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Commvault Web Server contains an unspecified vulnerability that allows a remote, authenticated attacker to create and execute webshells.

The following remediation steps are recommended / required by May 17, 2025: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vulnerability Analysis

CVE-2025-3928 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Products Associated with CVE-2025-3928

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Commvault
 

Affected Versions

Commvault Web Server:

Exploit Probability

EPSS
18.09%
Percentile
95.04%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.