Known Exploited Vulnerability
8.8
HIGH CVSS 3.1
CVE-2025-3928
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.

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 Action
1 Linux linux_kernel
1 Microsoft windows
1 Commvault commvault
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.
Score Version Severity Vector Exploitability Score Impact Score 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.

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).

None

Updated: 3 months, 4 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.

None

Updated: 3 months, 3 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.

None

HTML Python Shell

Updated: 1 month, 4 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.

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: 5 days 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 ... Read more

Published Date: Aug 22, 2025 (1 week, 4 days ago)
  • Help Net Security
China-linked Murky Panda targets and moves laterally through cloud services

In its recently released 2025 Threat Hunting Report, Crowdstrike pointed out an interesting trend: a 136% surge in cloud intrusions. A good chunk of this surge is due to “China-nexus adversaries”, Mur ... Read more

Published Date: Aug 22, 2025 (1 week, 5 days ago)
  • CrowdStrike.com
MURKY PANDA: A Trusted-Relationship Threat in the Cloud

Since late 2024, CrowdStrike Counter Adversary Operations has observed significant activity conducted by MURKY PANDA, a China-nexus adversary that has targeted government, technology, academic, legal, ... Read more

Published Date: Aug 22, 2025 (1 week, 5 days ago)
  • CrowdStrike.com
MURKY PANDA: A Trusted-Relationship Threat in the Cloud

Since late 2024, CrowdStrike Counter Adversary Operations has observed significant activity conducted by MURKY PANDA, a China-nexus adversary that has targeted government, technology, academic, legal, ... Read more

Published Date: Aug 22, 2025 (1 week, 5 days ago)
  • The Hacker News
Chinese Hackers Murky, Genesis, and Glacial Panda Escalate Cloud and Telecom Espionage

Cybersecurity researchers are calling attention to malicious activity orchestrated by a China-nexus cyber espionage group known as Murky Panda that involves abusing trusted relationships in the cloud ... Read more

Published Date: Aug 22, 2025 (1 week, 5 days ago)
  • CrowdStrike.com
MURKY PANDA: A Trusted-Relationship Threat in the Cloud

Since late 2024, CrowdStrike Counter Adversary Operations has observed significant activity conducted by MURKY PANDA, a China-nexus adversary that has targeted government, technology, academic, legal, ... Read more

Published Date: Aug 22, 2025 (1 week, 5 days ago)
  • CrowdStrike.com
MURKY PANDA: A Trusted-Relationship Threat in the Cloud

Since late 2024, CrowdStrike Counter Adversary Operations has observed significant activity conducted by MURKY PANDA, a China-nexus adversary that has targeted government, technology, academic, legal, ... Read more

Published Date: Aug 22, 2025 (1 week, 5 days ago)
  • CrowdStrike.com
MURKY PANDA: A Trusted-Relationship Threat in the Cloud

Since late 2024, CrowdStrike Counter Adversary Operations has observed significant activity conducted by MURKY PANDA, a China-nexus adversary that has targeted government, technology, academic, legal, ... Read more

Published Date: Aug 22, 2025 (1 week, 5 days ago)
  • CrowdStrike.com
MURKY PANDA: A Trusted-Relationship Threat in the Cloud

Since late 2024, CrowdStrike Counter Adversary Operations has observed significant activity conducted by MURKY PANDA, a China-nexus adversary that has targeted government, technology, academic, legal, ... Read more

Published Date: Aug 22, 2025 (1 week, 5 days ago)
  • CrowdStrike.com
MURKY PANDA: A Trusted-Relationship Threat in the Cloud

Since late 2024, CrowdStrike Counter Adversary Operations has observed significant activity conducted by MURKY PANDA, a China-nexus adversary that has targeted government, technology, academic, legal, ... Read more

Published Date: Aug 21, 2025 (1 week, 5 days ago)
  • CrowdStrike.com
MURKY PANDA: A Trusted-Relationship Threat in the Cloud

Since late 2024, CrowdStrike Counter Adversary Operations has observed significant activity conducted by MURKY PANDA, a China-nexus adversary that has targeted government, technology, academic, legal, ... Read more

Published Date: Aug 21, 2025 (1 week, 5 days ago)
  • Cyber Security News
Detecting Vulnerable Commvault Environments Within Azure Using KQL Query

Cybersecurity analysts are racing to respond to an active exploitation campaign targeting Commvault environments in Microsoft Azure through the recently identified CVE-2025-3928 vulnerability. This cr ... Read more

Published Date: May 08, 2025 (3 months, 3 weeks ago)
  • The Hacker News
Commvault CVE-2025-34028 Added to CISA KEV After Active Exploitation Confirmed

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a maximum-severity security flaw impacting Commvault Command Center to its Known Exploited Vulnerabilities (KEV) catalog, a l ... Read more

Published Date: May 05, 2025 (3 months, 4 weeks ago)
  • The Register
Microsoft tries to knife passwords once and for all - at least for consumers

Infosec In Brief Microsoft has decided to push its consumer customers to dump password in favor of passkeys. The software giant announced the move Thursday, May 1, traditionally known as "World Passwo ... Read more

Published Date: May 04, 2025 (3 months, 4 weeks ago)
  • Help Net Security
Week in review: Critical SAP NetWeaver flaw exploited, RSAC 2025 Conference

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: RSAC 2025 Conference RSAC 2025 Conference took place at the Moscone Center in San Francisco. Check out ... Read more

Published Date: May 04, 2025 (3 months, 4 weeks ago)
  • The Hacker News
Commvault Confirms Hackers Exploited CVE-2025-3928 as Zero-Day in Azure Breach

Zero-Day / Threat Intelligence Enterprise data backup platform Commvault has revealed that an unknown nation-state threat actor breached its Microsoft Azure environment by exploiting CVE-2025-3928 but ... Read more

Published Date: May 01, 2025 (4 months ago)
  • Cyber Security News
Commvault Confirms 0-Day Exploit Allowed Hackers Access to Its Azure Environment

Commvault, a leading provider of data protection solutions, has confirmed that a nation-state threat actor breached its Azure environment in February by exploiting a zero-day vulnerability. The compan ... Read more

Published Date: Apr 30, 2025 (4 months ago)
  • BleepingComputer
Commvault says recent breach didn't impact customer backup data

Commvault, a leading provider of data protection solutions, says a nation-state threat actor who breached its Azure environment didn't gain access to customer backup data. Listed on NASDAQ since March ... Read more

Published Date: Apr 30, 2025 (4 months ago)
  • Help Net Security
44% of the zero-days exploited in 2024 were in enterprise solutions

In 2024, threat actors exploited 75 zero-days – i.e., vulnerabilities previously unknown to vendors, thus without a readily available patch – in a wide variety of attacks. Of these, 33 vulnerabilities ... Read more

Published Date: Apr 29, 2025 (4 months ago)
  • BleepingComputer
CISA tags Broadcom Fabric OS, CommVault flaws as exploited in attacks

The U.S. Cybersecurity & Infrastructure Security Agency (CISA) is warning of Broadcom Brocade Fabric OS, Commvault web servers, and Qualitia Active! Mail clients vulnerabilities that are actively expl ... Read more

Published Date: Apr 29, 2025 (4 months ago)

The following table lists the changes that have been made to the CVE-2025-3928 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    May. 28, 2025

    Action Type Old Value New Value
    Added Reference Type Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government: https://www.cisa.gov/news-events/alerts/2025/05/22/advisory-update-cyber-threat-activity-targeting-commvaults-saas-cloud-application-metallic Types: Third Party Advisory, US Government Resource
    Added Reference Type Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government: https://www.commvault.com/blogs/customer-security-update Types: Vendor Advisory
  • CVE Modified by 9119a7d8-5eab-497f-8521-727c672e3725

    May. 27, 2025

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/news-events/alerts/2025/05/22/advisory-update-cyber-threat-activity-targeting-commvaults-saas-cloud-application-metallic
    Added Reference https://www.commvault.com/blogs/customer-security-update
  • Modified Analysis by [email protected]

    May. 06, 2025

    Action Type Old Value New Value
    Added Reference Type CVE: https://www.bleepingcomputer.com/news/security/commvault-says-recent-breach-didnt-impact-customer-backup-data/ Types: Third Party Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    May. 05, 2025

    Action Type Old Value New Value
    Added Reference https://www.bleepingcomputer.com/news/security/commvault-says-recent-breach-didnt-impact-customer-backup-data/
  • Modified Analysis by [email protected]

    May. 02, 2025

    Action Type Old Value New Value
    Added Reference Type Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-3928 Types: Third Party Advisory, US Government Resource
    Added Reference Type Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government: https://www.commvault.com/blogs/notice-security-advisory-update Types: Vendor Advisory
    Added Reference Type Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government: https://www.commvault.com/blogs/security-advisory-march-7-2025 Types: Vendor Advisory
  • CVE Modified by 9119a7d8-5eab-497f-8521-727c672e3725

    May. 02, 2025

    Action Type Old Value New Value
    Changed 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. 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.
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-3928
    Added Reference https://www.commvault.com/blogs/notice-security-advisory-update
    Added Reference https://www.commvault.com/blogs/security-advisory-march-7-2025
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Apr. 30, 2025

    Action Type Old Value New Value
    Changed Due Date 2025-05-17 2025-05-19
  • Initial Analysis by [email protected]

    Apr. 29, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE NVD-CWE-noinfo
    Added CPE Configuration AND OR *cpe:2.3:a:commvault:commvault:*:*:*:*:*:*:*:* versions from (including) 11.20.0 up to (excluding) 11.20.217 *cpe:2.3:a:commvault:commvault:*:*:*:*:*:*:*:* versions from (including) 11.28.0 up to (excluding) 11.28.141 *cpe:2.3:a:commvault:commvault:*:*:*:*:*:*:*:* versions from (including) 11.32.0 up to (excluding) 11.32.89 *cpe:2.3:a:commvault:commvault:*:*:*:*:*:*:*:* versions from (including) 11.36.0 up to (excluding) 11.36.46 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
    Added Reference Type Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government: https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html Types: Vendor Advisory
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Apr. 29, 2025

    Action Type Old Value New Value
    Added Date Added 2025-04-28
    Added Due Date 2025-05-17
    Added 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.
    Added Vulnerability Name Commvault Web Server Unspecified Vulnerability
  • New CVE Received by 9119a7d8-5eab-497f-8521-727c672e3725

    Apr. 25, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added Reference https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.7
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact