{
  "id": "CVE-2024-11667",
  "url": "https://spydr.io/cve/CVE-2024-11667",
  "published": "2024-11-27T10:15:04.210Z",
  "modified": "2026-08-05T05:16:40.797Z",
  "score": 9.8,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.02929,
  "epss_percentile": 0.86618,
  "exploited": true,
  "kev": {
    "added": "2024-12-03",
    "due": "2024-12-24",
    "action": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
    "ransomware": "Known",
    "name": "Zyxel Multiple Firewalls Path Traversal Vulnerability",
    "notes": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-21-2024 ; https://nvd.nist.gov/vuln/detail/CVE-2024-11667"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Zyxel"
  ],
  "products": [
    "Zyxel ATP series firmware",
    "Zyxel USG FLEX series firmware",
    "Zyxel USG FLEX 50(W) series firmware",
    "Zyxel USG20(W)-VPN series firmware",
    "zyxel usg_flex_firmware",
    "zyxel atp_firmware",
    "zyxel usg20-vpn_firmware",
    "zyxel usg_flex_50w_firmware"
  ],
  "cwes": [
    "CWE-22"
  ],
  "description": "A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-27-2024",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-11667",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-11667",
  "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."
    }
  ]
}