# CVE-2025-3928: Commvault Web Server unspecified vulnerability

> CVE-2025-3928: Commvault Web Server unspecified vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2025-3928
Last updated: 2026-10-08T12:54:32Z

- Published: 2025-04-25 15:56 UTC · Updated: 2026-10-08 12:54 UTC · Assigner: cisa-cg
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 2.5%, 84th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2025-04-28, federal due date 2025-05-19, ransomware use: Unknown

## 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.

## CISA 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.

## Affected vendors and products

- Commvault: Web Server

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-3928)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-3928)
- [https://documentation.commvault.com/securityadvisories/CV\_2025\_03\_1.html](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/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.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/customer-security-update)
- [https://www.commvault.com/blogs/notice-security-advisory-update](https://www.commvault.com/blogs/notice-security-advisory-update)
- [https://www.commvault.com/blogs/security-advisory-march-7-2025](https://www.commvault.com/blogs/security-advisory-march-7-2025)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-3928 · Markdown: https://rewindex.com/cve/CVE-2025-3928.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-3928 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:09:54.406Z