CVE-2025-3928

high-risk
Published 2025-04-25

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.

Do I need to act?

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16.2% chance of exploitation in next 30 days
EPSS score — higher than 84% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Commvault

References (8)

Vendor Advisory https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html
Third Party Advisory https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext...
Third Party Advisory https://www.cisa.gov/news-events/alerts/2025/05/22/advisory-update-cyber-threat-...
Vendor Advisory https://www.commvault.com/blogs/customer-security-update
Vendor Advisory https://www.commvault.com/blogs/notice-security-advisory-update
Vendor Advisory https://www.commvault.com/blogs/security-advisory-march-7-2025
Third Party Advisory https://www.bleepingcomputer.com/news/security/commvault-says-recent-breach-didn...
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-...
55
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 20/34 · Moderate
Exposure 5/34 · Minimal