{
  "id": "CVE-2024-4040",
  "url": "https://spydr.io/cve/CVE-2024-4040",
  "published": "2024-04-22T20:15:07.803Z",
  "modified": "2026-06-17T08:00:59.913Z",
  "score": 10,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.99539,
  "epss_percentile": 0.99945,
  "exploited": true,
  "kev": {
    "added": "2024-04-24",
    "due": "2024-05-01",
    "action": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
    "ransomware": "Unknown",
    "name": "CrushFTP VFS Sandbox Escape Vulnerability",
    "notes": "https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update&version=34; https://nvd.nist.gov/vuln/detail/CVE-2024-4040"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "CrushFTP"
  ],
  "products": [
    "CrushFTP"
  ],
  "cwes": [
    "CWE-1336",
    "CWE-94"
  ],
  "description": "A server side template injection vulnerability in CrushFTP in all versions before 10.7.1 and 11.1.0 on all platforms allows unauthenticated remote attackers to read files from the filesystem outside of the VFS Sandbox, bypass authentication to gain administrative access, and perform remote code execution on the server.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 10,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://github.com/airbus-cert/CVE-2024-4040",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.bleepingcomputer.com/news/security/crushftp-warns-users-to-patch-exploited-zero-day-immediately/",
      "tags": [
        "Press/Media Coverage",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.crushftp.com/crush10wiki/Wiki.jsp?page=Update",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.rapid7.com/blog/post/2024/04/23/etr-unauthenticated-crushftp-zero-day-enables-complete-server-compromise/",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.reddit.com/r/crowdstrike/comments/1c88788/situational_awareness_20240419_crushftp_virtual/",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ]
    },
    {
      "url": "https://www.reddit.com/r/cybersecurity/comments/1c850i2/all_versions_of_crush_ftp_are_vulnerable/",
      "tags": [
        "Issue Tracking",
        "Patch"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4040",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-4040",
  "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."
    }
  ]
}