CVE-2025-3928
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National Vulnerability Database Information
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.
CVSS Base Score: 8.8 (v3.1)
The **CVSS Base Score** is a score from **0 to 10** that represents the intrinsic severity of a vulnerability. A higher score indicates greater severity.
0.02.55.07.510.0
Published on: 04/25/2025 16:15:27
Last modified: 10/31/2025 21:59:08
NIST: CVE source from the National Vulnerability Database (NVD)
CVSS Metrics Details
- Base Severity: HIGH
- Vector String: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector: NETWORK
- Attack Complexity: LOW
- Privileges Required: LOW
- User Interaction: NONE
- Scope: UNCHANGED
- Confidentiality Impact: HIGH
- Integrity Impact: HIGH
- Availability Impact: HIGH
Common Weakness Enumeration (CWE)
Database CWE: v4.18
Fonte: MITRE CWE
FIRST Information
EPSS Score: 0.1312
The **EPSS (Exploit Prediction Scoring System)** is a score from **0 to 1** that indicates the **probability** that a vulnerability will be exploited in the real world in the next 30 days. A higher value indicates a greater likelihood of exploitation.
0.00.250.50.751.0
Percentile: 0.9388
The **Percentile** indicates how much higher this vulnerability's EPSS score is compared to all other vulnerabilities in the EPSS database. For example, a percentile of 0.90 (90%) means that 90% of vulnerabilities have an EPSS score equal to or lower than the current one.
0.00.250.50.751.0
*Data updated as of: 2025-12-31
CISA Information (Known Exploited Vulnerabilities)
The **CISA KEV Catalog** lists vulnerabilities that have been **actively exploited in the real world**. If a CVE is present in this catalog, it indicates that the threat is immediate and mitigation should be a top priority.
CVE **CVE-2025-3928** **IS PRESENT** in the CISA KEV Catalog!
- Vulnerability Name: Commvault Web Server Unspecified Vulnerability
- Short Description: Commvault Web Server contains an unspecified vulnerability that allows a remote, authenticated attacker to create and execute webshells.
- Date Added to KEV: 04/28/2025
- Vendor/Product: Commvault / Web Server
- 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.
- Due Date: 05/19/2025
Articles published on Red Hot Cyber
Exploit PoC from GitHub
No results found on GitHub for this CVE.
