CVE-2025-3928Commvault Web Server unspecified vulnerability
Updated under an hour ago ()
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It affects Commvault Web Server and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Apr 28, 2025; federal agencies had to remediate by May 19, 2025. Treat that date as your deadline.
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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.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-94
- Known exploited
- Added to CISA KEV Apr 28, 2025; federal remediation due May 19, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 2.48% (percentile 84)
- Assigned by
- cisa-cg
- NVD analysis
- Analyzed
- Record last updated
- Oct 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Commvault Web Server commvault:web_server (from the name) | from 11.36.0 before 11.36.46; 11.36.46 not affected; from 11.32.0 before 11.32.89; 11.32.89 not affected; from 11.28.0 before 11.28.141; 11.28.141 not affected; from 11.20.0 before 11.20.217; 11.20.217 not affected | CNA record |
commvault commvault commvault:commvault | from 11.20.0 before 11.20.217; from 11.28.0 before 11.28.141; from 11.32.0 before 11.32.89; from 11.36.0 before 11.36.46 | NVD |
References
- https://documentation.commvault.com/securityadvisories/CV_2025_03_1.htmlvendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-3928third-party-advisory, us-government-resource
- https://www.commvault.com/blogs/security-advisory-march-7-2025vendor-advisory
- https://www.commvault.com/blogs/notice-security-advisory-updatebroken-link, vendor-advisory
- https://www.cisa.gov/news-events/alerts/2025/05/22/advisory-update-cyber-threat-activity-targeting-commvaults-saas-cloud-application-metallicthird-party-advisory, us-government-resource
- https://www.commvault.com/blogs/customer-security-updatevendor-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-2025-3928us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.