{
  "id": "CVE-2025-3928",
  "url": "https://spydr.io/cve/CVE-2025-3928",
  "published": "2025-04-25T16:15:27.817Z",
  "modified": "2026-06-17T09:20:56.593Z",
  "score": 8.7,
  "severity": "high",
  "cvss_version": "4.0",
  "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",
  "score_source": "CNA",
  "epss": 0.02299,
  "epss_percentile": 0.82706,
  "exploited": true,
  "kev": {
    "added": "2025-04-28",
    "due": "2025-05-19",
    "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.",
    "ransomware": "Unknown",
    "name": "Commvault Web Server Unspecified Vulnerability",
    "notes": "https://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"
  },
  "ssvc_exploitation": "none",
  "vendors": [
    "Commvault"
  ],
  "products": [
    "Commvault Web Server"
  ],
  "cwes": [],
  "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": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": 8.7,
    "cvss_v31": 8.8,
    "cvss_v30": null
  },
  "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.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.commvault.com/blogs/notice-security-advisory-update",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.commvault.com/blogs/security-advisory-march-7-2025",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.bleepingcomputer.com/news/security/commvault-says-recent-breach-didnt-impact-customer-backup-data/",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3928",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-3928",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}