CVE-2025-3928

8.8

HIGH CVSS 3.1

Commvault Web Server Unspecified Vulnerability - [Actively Exploited]

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.

INFO

Published Date :

April 25, 2025, 4:15 p.m.

Last Modified :

May 28, 2025, 8:51 p.m.

Remotely Exploit :

Yes !

Source :

9119a7d8-5eab-497f-8521-727c672e3725

CISA Notification

CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Due Date: May 17, 2025

Alert Date: Apr 28, 2025 | 152 days ago

Description :

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

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.

Notes :

https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html ; https://nvd.nist.gov/vuln/detail/CVE-2025-3928

Affected Products

The following products are affected by CVE-2025-3928 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID	Vendor	Product
1	Linux	linux_kernel
1	Microsoft	windows
1	Commvault	commvault

: Total Affected Vendor : 3 | Products : 3

CVSS Scores

The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.

Version	Severity	Source
CVSS 3.1	HIGH	9119a7d8-5eab-497f-8521-727c672e3725
CVSS 3.1	HIGH	[email protected]
CVSS 4.0	HIGH	9119a7d8-5eab-497f-8521-727c672e3725

Solution

Update Commvault Web Server to a fixed version to patch the webshell creation vulnerability.

Update Commvault Web Server to version 11.36.46.
Update Commvault Web Server to version 11.32.89.
Update Commvault Web Server to version 11.28.141.
Update Commvault Web Server to version 11.20.217.

Public PoC/Exploit Available at Github

CVE-2025-3928 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-3928.

URL	Resource
https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html	Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-3928	Third Party Advisory US Government Resource
https://www.cisa.gov/news-events/alerts/2025/05/22/advisory-update-cyber-threat-activity-targeting-commvaults-saas-cloud-application-metallic	Third Party Advisory US Government Resource
https://www.commvault.com/blogs/customer-security-update	Vendor Advisory
https://www.commvault.com/blogs/notice-security-advisory-update	Vendor Advisory
https://www.commvault.com/blogs/security-advisory-march-7-2025	Vendor Advisory
https://www.bleepingcomputer.com/news/security/commvault-says-recent-breach-didnt-impact-customer-backup-data/	Third Party Advisory

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-3928 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-3928 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Totunm/CVE-2025-3928

None

Updated: 4 months, 3 weeks ago

4 stars 0 fork 0 watcher

Born at : May 2, 2025, 3:30 p.m. This repo has been linked 1 different CVEs too.

delldevmann/cybersecurity-news-tracker

None

Updated: 4 months, 2 weeks ago

2 stars 0 fork 0 watcher

Born at : April 29, 2025, 12:52 a.m. This repo has been linked 4 different CVEs too.

plzheheplztrying/cve_monitor

None

HTML Python Shell

Updated: 2 months, 3 weeks ago

0 stars 0 fork 0 watcher

Born at : Feb. 13, 2025, 8:50 a.m. This repo has been linked 891 different CVEs too.

ums91/CISA_BOT

CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.

Python

Updated: 4 weeks ago

2 stars 1 fork 1 watcher

Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 206 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-3928 vulnerability anywhere in the article.

The Cyber Express

China-linked Silk Typhoon Hackers Target SaaS Providers, Zero Days

The China-linked advanced persistent threat (APT) group Silk Typhoon has shown a rare ability to compromise trusted relationships in the cloud. That’s one of the key takeaways from new research by Cro ...