CVE-2025-3928 KEV
8.8
HIGH · CVSS 3.1 · EPSS 2.3% (pctl 83)
Patch first
On CISA KEV — known exploited in the wild, due 2025-05-19.
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.
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.3% — more likely to be exploited than 83% of all CVEs |
| On CISA KEV | yes — remediate by 2025-05-19 |
| Public exploit | none known |
| Published | 2025-04-25 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Commvault Web Server Unspecified Vulnerability |
|---|---|
| Added | 2025-04-28 |
| Due | 2025-05-19 |
| Vendor / product | Commvault / Web Server |
| Ransomware use | none reported |
Affected (3)
| Vendor | Product |
|---|---|
| commvault | commvault |
| linux | linux kernel |
| microsoft | windows |
References
- https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-3928
- https://www.cisa.gov/news-events/alerts/2025/05/22/advisory-update-cyber-threat-activity-targeting-commvaults-saas-cloud-application-metallic
- https://www.commvault.com/blogs/customer-security-update
- https://www.commvault.com/blogs/notice-security-advisory-update
- https://www.commvault.com/blogs/security-advisory-march-7-2025
- https://www.bleepingcomputer.com/news/security/commvault-says-recent-breach-didnt-impact-customer-backup-data/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3928
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