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CVE-2020-12497

Estado: ModificadaAlta (7.8)—

PLCopen XML file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier can lead to a stack-based overflow. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Phoenixcontact — PC WorxPhoenixcontact — PC Worx Express

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-12497",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
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        "impactScore": 6.4,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
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          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
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          "privilegesRequired": "NONE",
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  "affected": [
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      "affectedData": [
        {
          "vendor": "Phoenix Contact",
          "product": "Automation Worx",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
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          "vendor": "Phoenix Contact",
          "product": "Automation Worx Express",
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  ],
  "published": "2020-07-01T16:15:12.853",
  "references": [
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      "url": "https://cert.vde.com/de-de/advisories/vde-2020-023",
      "tags": [
        "Vendor Advisory"
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      "source": "info@cert.vde.com"
    },
    {
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      "source": "info@cert.vde.com"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-825/",
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      "tags": [
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        "VDB Entry"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "info@cert.vde.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "PLCopen XML file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier can lead to a stack-based overflow. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation."
    },
    {
      "lang": "es",
      "value": "El análisis de archivos XML de PLCopen en Phoenix Contact PC Worx y PC Worx Express versiones 1.87 y anteriores, puede conllevar un desbordamiento en la región stack de la memoria. Los proyectos manipulados de PC Worx podrían conducir a una ejecución de código remota debido a una comprobación de datos de entrada insuficiente"
    }
  ],
  "lastModified": "2026-06-17T02:51:54.683",
  "configurations": [
    {
      "nodes": [
        {
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            }
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  ],
  "sourceIdentifier": "info@cert.vde.com"
}