CVE-2025-3928

CVE-2025-3928 is a high-severity vulnerability in Commvault with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-04-28).

Key facts

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.

Frequently asked questions

What is CVE-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, 11.28.141, 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.
How severe is CVE-2025-3928?
CVE-2025-3928 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-3928 being actively exploited?
Yes. CVE-2025-3928 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-04-28, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2025-3928?
CVE-2025-3928 affects Commvault. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3928?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2025-3928 have an EU (EUVD) identifier?
Yes. CVE-2025-3928 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12508. It is also flagged as exploited in the EUVD (since 2025-04-28).
When was CVE-2025-3928 published?
CVE-2025-3928 was published on 2025-04-25 and last updated on 2026-06-17.

References

Affected products (1)

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