{
  "id": "CVE-2025-42999",
  "url": "https://spydr.io/cve/CVE-2025-42999",
  "published": "2025-05-13T01:15:48.440Z",
  "modified": "2026-08-11T04:17:17.240Z",
  "score": 9.1,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
  "score_source": "sap.com",
  "epss": 0.13868,
  "epss_percentile": 0.96427,
  "exploited": true,
  "kev": {
    "added": "2025-05-15",
    "due": "2025-06-05",
    "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": "Known",
    "name": "SAP NetWeaver Deserialization Vulnerability",
    "notes": "SAP users must have an account to log in and access the patch: https://me.sap.com/notes/3604119 ; https://nvd.nist.gov/vuln/detail/CVE-2025-42999"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "SAP_SE"
  ],
  "products": [
    "SAP_SE SAP NetWeaver (Visual Composer development server)"
  ],
  "cwes": [
    "CWE-502"
  ],
  "description": "SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system.",
  "status": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.1,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://me.sap.com/notes/3604119",
      "tags": [
        "Permissions Required"
      ]
    },
    {
      "url": "https://url.sap/sapsecuritypatchday",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-42999",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-42999",
  "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."
    }
  ]
}