CVE-2025-3928: Commvault Web Server Unspecified Vulnerability

CISA Known Exploited Vulnerabilities

Name

Commvault Web Server Unspecified Vulnerability

Vendor

Commvault

Product

Web Server

Added to the catalog

2025-04-28

Due date for US federal agencies

2025-05-19

Catalog version

2026.10.30

Commvault Web Server contains an unspecified vulnerability that allows a remote, authenticated attacker to create and execute webshells.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

• https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html
• https://www.commvault.com/blogs/notice-security-advisory-update
• https://nvd.nist.gov/vuln/detail/CVE-2025-3928

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2025-04-25T16:15:27.817

Last modified

2026-10-08T12:54:32.677

Weaknesses

NVD-CWE-noinfo, CWE-94

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.

References

• https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html (Vendor Advisory)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-3928 (Third Party Advisory, US Government Resource)
• https://www.cisa.gov/news-events/alerts/2025/05/22/advisory-update-cyber-threat-activity-targeting-commvaults-saas-cloud-application-metallic (Third Party Advisory, US Government Resource)
• https://www.commvault.com/blogs/customer-security-update (Vendor Advisory)
• https://www.commvault.com/blogs/notice-security-advisory-update (Broken Link, Vendor Advisory)
• https://www.commvault.com/blogs/security-advisory-march-7-2025 (Vendor Advisory)
• https://www.bleepingcomputer.com/news/security/commvault-says-recent-breach-didnt-impact-customer-backup-data/ (Third Party Advisory)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3928 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:42:22.836Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-3928

CVE record

Title (CNA)

Commvault Web Server unspecified vulnerability

Assigner

cisa-cg

State

PUBLISHED

Published

2025-04-25T15:56:28.112Z

Updated

2026-10-07T17:54:32.426Z

Problem types

CWE-noinfo Not enough information

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.

References

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Read on 2026-11-03T02:16:23.415Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/3xxx/CVE-2025-3928.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

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