CVE-2025-3928

Name: CVE-2025-3928
Creator: NVD / NIST
Published: 2025-04-25T16:15:27.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10Actively ExploitedEPSS 1.93%

Last modified Jun 17, 2026

CVE-2025-3928 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

1.93%

77.5th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by May 19, 2025.

Affected Software

Vendor	Product	Versions
Commvault	Commvault	>= 11.20.0, < 11.20.217
Commvault	Commvault	>= 11.28.0, < 11.28.141
Commvault	Commvault	>= 11.32.0, < 11.32.89
Commvault	Commvault	>= 11.36.0, < 11.36.46

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.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.commvault.com/blogs/notice-security-advisory-updateVendor Advisory
https://www.commvault.com/blogs/security-advisory-march-7-2025Vendor 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

Timeline

Published: Apr 25, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-3928?

How severe is CVE-2025-3928?

CVE-2025-3928 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 1.93% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2025-3928?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-3928?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST