CVE-2025-3928
highKEV · exploitedEPSS 0.025 · 84 %ileDEEURUUSadded 2025-04-28remediate by 2025-05-19
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.
EPSS · scored 2026-10-20
Commvault Web Server Unspecified Vulnerability
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedWeb Servercisa_csaf_it
Fixed in 11.20.217.
https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html - MitigationWeb Servercisa_csaf_it
Fixed in 11.36.46.
https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
ATT&CK techniques
ATT&CK techniques this enables or maps to.
affected products (33)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- VA-25-120-01Commvault Web Server unspecified vulnerability2025-04-30csaf · cisa_csaf_itUS
According to Commvault: "The Web Server is a component in CommCell environments that provides a RESTful interface to the software where users can perform various tasks using available APIs". A remote, authenticated attacker can exploit an unspecified vulnerability to compromise a Commvault Web Server.
- WID-SEC-W-2025-0892Commvault Backup & Recovery: Schwachstelle ermöglicht CodeausführungDeutsch2025-04-27csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Commvault Backup & Recovery ausnutzen, um Code auszuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (21)
External citations — patches, advisories, analysis.
- https://documentation.commvault.com/securityadvisories/CV_2025_03_1.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2025-3928cnnvd
- https://www.bleepingcomputer.com/news/security/commvault-says-recent-breach-didnt-impact-customer-backup-data/cnnvd
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-3928cnnvd
- https://www.commvault.com/Patchcnnvd
- https://www.commvault.com/blogs/notice-security-advisory-updatecnnvd
- https://www.commvault.com/blogs/security-advisory-march-7-2025cnnvd
- https://documentation.commvault.com/securityadvisories/CV_2025_03_1.htmlenisa_euvd
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