{"id":"CVE-2025-3928","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-3928","generatedAt":"2026-10-31T06:57:10.484Z","title":"Commvault Web Server Unspecified Vulnerability","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.","published":"2025-04-25T16:15:28.000Z","lastModified":"2026-10-08T12:54:33.000Z","status":"Analyzed","sourceIdentifier":"9119a7d8-5eab-497f-8521-727c672e3725","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","vector":"CVSS:4.0/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/M"},"cwe":["CWE-94"],"affected":["commvault/commvault"],"epss":{"score":0.02527,"percentile":0.84871,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2025-04-28","dueDate":"2025-05-19","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://documentation.commvault.com/securityadvisories/CV_2025_03_1.html;   https://www.commvault.com/blogs/notice-security-advisory-update;   https://nvd.nist.gov/vuln/detail/CVE-2025-3928      "},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 19 May 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html","tags":["Vendor Advisory"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-3928","tags":["Third Party Advisory","US Government Resource"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"},{"url":"https://www.cisa.gov/news-events/alerts/2025/05/22/advisory-update-cyber-threat-activity-targeting-commvaults-saas-cloud-application-metallic","tags":["Third Party Advisory","US Government Resource"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"},{"url":"https://www.commvault.com/blogs/customer-security-update","tags":["Vendor Advisory"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"},{"url":"https://www.commvault.com/blogs/notice-security-advisory-update","tags":["Broken Link","Vendor Advisory"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"},{"url":"https://www.commvault.com/blogs/security-advisory-march-7-2025","tags":["Vendor Advisory"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"},{"url":"https://www.bleepingcomputer.com/news/security/commvault-says-recent-breach-didnt-impact-customer-backup-data/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3928","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-3928","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}