CVE-2025-3928

Commvault Web Server unspecified vulnerability

  • High 8.8
  • Exploited: added to CISA KEV 28 Apr 2025

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.

Key facts

Published
25 Apr 2025
Last changed
7 Oct 2026
Assigned by
cisa-cg
KEV added
28 Apr 2025
KEV fix due
19 May 2025
EPSS
2.527% likely to be exploited in the next 30 days, higher than 85.152% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 8.8CVSS 3.1, Highfrom the CNA (cisa-cg)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • 8.7CVSS 4.0, Highfrom the CNA (cisa-cg)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

What to do

  • 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 KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
CommvaultWeb Server
  • Default status: unaffected
  • 11.36.0 up to but excluding 11.36.46 (affected)
  • 11.36.46 (unaffected)
  • 11.32.0 up to but excluding 11.32.89 (affected)
  • 11.32.89 (unaffected)
  • 11.28.0 up to but excluding 11.28.141 (affected)
  • 11.28.141 (unaffected)
  • 11.20.0 up to but excluding 11.20.217 (affected)
  • 11.20.217 (unaffected)

Timeline

  1. 25 Apr 2025 Published
  2. 28 Apr 2025 Added to the CISA KEV catalogue

Weakness

References