Vulnerabilities

Vulnerability · CVE-2025-3928

Commvault Web Server Unspecified Vulnerability

Published Mar 7, 2025 · catalog updated Oct 8, 2026 · Commvault Web Server

Patch now

CVE-2025-3928 is in the CISA known-exploited catalog, due May 19, 2025. Confirm Commvault Web Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High8.7
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
2.48%
Remediation
Remediation guidance
Affected products
cpe commvault/commvault · vendor Commvault Web Server · vendor Commvault Web Server 11.28.0 <11.28.141

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe commvault/commvaultversion unspecified
  • vendor Commvault Web Serverversion unspecified
  • vendor Commvault Web Server 11.28.0 <11.28.14111.28.0 <11.28.141

How to fix CVE-2025-3928

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-3928 is in the CISA known-exploited catalog, due May 19, 2025. Confirm Commvault Web Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with Commvault Web Server 11.28.0 <11.28.141 11.28.0 <11.28.141. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-94: Code Injection. EPSS 2.48%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 25, 2025 · Catalog

    Detected

    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 Vulnerabiliti

  2. Apr 28, 2025 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  3. May 19, 2025 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  4. Oct 8, 2026 · Catalog

    Updated

    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 Vulnerabiliti

Sources

  • CISA KEVConfirmed exploitationCVE-2025-3928

    Commvault Web Server contains an unspecified vulnerability that allows a remote, authenticated attacker to create and execute webshells.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2025-3928

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-3928

    30-day exploitation probability 2.5%

    first.org
  • EUVDVulnerability recordEUVD-2025-12508

    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, 11.28.14

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2025-3928

    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, 11.28.14

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2025-3928

    Commvault Web Server contains an unspecified vulnerability that allows a remote, authenticated attacker to create and execute webshells.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.