# CVE-2025-3928: Commvault Web Server Unspecified Vulnerability

Source: https://junglewise.ai/threats/cve-2025-3928-commvault-web-server-unspecified-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-04-28. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2025-3928 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2025-04-28

Commvault Web Server contains an unspecified vulnerability that allows a remote, authenticated attacker to create and execute webshells on the host system. The vulnerability affects both Windows and Linux platforms and has been observed being exploited in the wild.

Vendors: [Commvault](https://junglewise.ai/threats/vendors/commvault).

## Quick answers

**Is CVE-2025-3928 exploited in the wild?** Yes. CVE-2025-3928 is known to be exploited in the wild, first recorded on 28 April 2025. Treat it as urgent.

**How severe is CVE-2025-3928?** Critical severity, with a CVSS score of 8.8, published 28 April 2025.

**Which products and versions are affected?** Commvault Web Server Fixed in 11.36.46, 11.32.89, 11.28.141, 11.20.217.

**Is there a fix for CVE-2025-3928?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2025-3928 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2025-3928?** Check whether you run Commvault Web Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Commvault Web Server Fixed in 11.36.46, 11.32.89, 11.28.141, 11.20.217

## Timeline

- 2025-03-07: disclosed: Vendor advisory published
- 2025-04-28: kev added: Added to CISA Known Exploited Vulnerabilities (KEV) Catalog
- 2025-04-28: advisory: NVD publication date
- 2025-04-28: exploited: Confirmed exploitation in the wild per CISA KEV entry

## Related threats

- [Commvault CommServe cryptographic signature verification in privilege management](https://junglewise.ai/threats/cve-2026-77105-commvault-commserve-cryptographic-signature-verification-in)