{"id":"CVE-2025-3928","aliases":["EUVD-2025-12508","GHSA-wqxv-v2vg-q37x"],"status":"published","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.","severity":{"version":"4.0","score":8.7,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02527,"percentile":0.85005,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2025-04-25T15:56:28Z","modified":"2026-10-08T12:54:32Z","kev":{"date_added":"2025-04-28","due_date":"2025-05-19","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.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2025-04-28"},{"source":"kev","since":"2025-04-28"}],"products":[{"vendor":"commvault","product":"commvault"},{"vendor":"commvault","product":"web server"}],"references":[{"url":"https://documentation.commvault.com/securityadvisories/CV_2025_03_1.html","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-3928","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://www.commvault.com/blogs/security-advisory-march-7-2025","tags":["Vendor Advisory"]},{"url":"https://www.commvault.com/blogs/notice-security-advisory-update","tags":["Broken Link","Vendor Advisory"]},{"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"]},{"url":"https://www.commvault.com/blogs/customer-security-update","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3928","tags":["government-resource","US Government Resource"]},{"url":"https://www.bleepingcomputer.com/news/security/commvault-says-recent-breach-didnt-impact-customer-backup-data/","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3928"},{"url":"https://www.bleepingcomputer.com/news/security/commvault-says-recent-breach-didnt-impact-customer-backup-data"},{"url":"https://github.com/advisories/GHSA-wqxv-v2vg-q37x"}],"sources":{"cve":[{"id":"CVE-2025-3928","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.","status":"published","published":"2025-04-25T15:56:28.112Z","modified":"2026-10-07T17:54:32.426Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:32:39.719629Z"}],"euvd":[{"id":"EUVD-2025-12508","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.","status":"published","published":"2025-04-25T15:56:28Z","modified":"2026-10-07T17:54:32Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high"}],"exploited_since":"2025-04-28","updated_at":"2026-11-02T17:27:34.815018Z"}],"ghsa":[{"id":"GHSA-wqxv-v2vg-q37x","title":"Commvault Web Server has an unspecified vulnerability that can be exploited by a remote,...","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.","status":"published","published":"2025-04-25T18:31:12Z","modified":"2026-10-07T18:31:54Z","cvss":[{"version":"4.0","score":8.7,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:12:54.703562Z"}],"kev":[{"id":"CVE-2025-3928","title":"Commvault Web Server Unspecified Vulnerability","description":"Commvault Web Server contains an unspecified vulnerability that allows a remote, authenticated attacker to create and execute webshells.","kev":{"date_added":"2025-04-28","due_date":"2025-05-19","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.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:15.999436Z"}],"nvd":[{"id":"CVE-2025-3928","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.","status":"published","published":"2025-04-25T16:15:27.817Z","modified":"2026-10-08T12:54:32.677Z","cvss":[{"version":"4.0","score":8.7,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:11:02.570368Z"}]}}