How severe is CVE-2025-3928?

CVE-2025-3928 has a CVSS 3.1 base score of 8.8 (HIGH). EPSS estimates a 2.3% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2025-3928: Commvault Web Server unspecified

CISA Known Exploited Vulnerabilities

Commvault Web Server Unspecified Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2025-04-28

Remediation due

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.

CISA 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

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.

Severity

CVSS 3.1 · CNA8.8 HIGH

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

CVSS 4.0 · CNA8.7 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Commvault	Web Server	11.36.0 to <11.36.46 11.36.46 (unaffected) 11.32.0 to <11.32.89 11.32.89 (unaffected) 11.28.0 to <11.28.141 11.28.141 (unaffected) 11.20.0 to <11.20.217 11.20.217 (unaffected)

References

7 Links

Other references

Record Details

Published

2025-04-25

Last updated

2026-02-26

Assigner (CNA)

cisa-cg

Credited to

More from Commvault

CVE-2025-340289.3

Commvault Command Center Innovation Release <= 11.38.25 Unathenticated Install Package Path Traversal

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.