{
  "id": "cve-2025-14847",
  "cveID": "CVE-2025-14847",
  "vendor": "MongoDB",
  "product": "MongoDB and MongoDB Server",
  "vulnerabilityName": "MongoDB and MongoDB Server Improper Handling of Length Parameter Inconsistency Vulnerability",
  "shortDescription": "MongoDB Server contains an improper handling of length parameter inconsistency vulnerability in Zlib compressed protocol headers. This vulnerability may allow a read of uninitialized heap memory by an unauthenticated client.",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2025-12-29",
  "dueDate": "2026-01-19",
  "knownRansomware": false,
  "cwes": [
    "CWE-130"
  ],
  "notes": "This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://jira.mongodb.org/browse/SERVER-115508 ; https://nvd.nist.gov/vuln/detail/CVE-2025-14847",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-14847"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "jira.mongodb.org",
      "url": "https://jira.mongodb.org/browse/SERVER-115508"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-14847"
    }
  ],
  "cvss": {
    "score": 8.7,
    "severity": "HIGH",
    "version": "4.0",
    "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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"
  },
  "epss": {
    "score": 0.83218,
    "percentile": 0.99658
  },
  "timeline": [
    {
      "date": "2025-12-29",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2026-01-19",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}