{
  "id": "CVE-2025-2747",
  "url": "https://spydr.io/cve/CVE-2025-2747",
  "published": "2025-03-24T19:15:51.967Z",
  "modified": "2026-06-17T09:07:33.210Z",
  "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": "vulncheck.com",
  "epss": 0.97166,
  "epss_percentile": 0.99894,
  "exploited": true,
  "kev": {
    "added": "2025-10-20",
    "due": "2025-11-10",
    "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": "Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability",
    "notes": "https://devnet.kentico.com/download/hotfixes ; https://nvd.nist.gov/vuln/detail/CVE-2025-2747"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Kentico"
  ],
  "products": [
    "Kentico Xperience"
  ],
  "cwes": [
    "CWE-288"
  ],
  "description": "An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server component password handling for the server defined None type. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.178.",
  "status": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://devnet.kentico.com/download/hotfixes",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.vulncheck.com/advisories/kentico-xperience-staging-sync-server-none-password-type-authentication-bypass",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2747",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-2747",
  "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."
    }
  ]
}