April 28, 2025 · Applied Cybernetics Group
CVE-2025-3928 Commvault Web Server
Commvault Web Server Unspecified Vulnerability
- Added to KEV
2025-04-28- Federal due date
2025-05-19- Vendor
- Commvault
- Product
- Web Server
- EPSS
- 85.0th percentile (score 0.025, as of
2026-11-06) - NVD CVSS v3.1
- 8.8 (HIGH)
- Ransomware use
- Unknown
- ATT&CK
- T1059 , T1505.003 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2025-3928
CISA short description
Commvault Web Server contains an unspecified vulnerability that allows a remote, authenticated attacker to create and execute webshells.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
NVD description
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.