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CVE-2020-25242

Estado: ModificadaAlta (7.5)—

A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover.

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 (3)

Siemens — Simatic NET CP 343-1 Advanced FirmwareSiemens — Simatic NET CP 343-1 Lean FirmwareSiemens — Simatic NET CP 343-1 Standard Firmware

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-25242",
  "cveTags": [],
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
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        "impactScore": 6.9,
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        "obtainAllPrivilege": false,
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
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          "product": "SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants)",
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  "published": "2021-05-12T14:15:10.657",
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    {
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      "source": "productcert@siemens.com"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "productcert@siemens.com",
      "description": [
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          "lang": "en",
          "value": "CWE-400"
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      "value": "A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en SIMATIC NET CP 343-1 Advanced (incluyendo variantes SIPLUS) (todas las versiones), SIMATIC NET CP 343-1 Lean (incluyendo variantes SIPLUS) (todas las versiones), SIMATIC NET CP 343-1 Standard ( incl. variantes SIPLUS) (todas las versiones). Los paquetes especialmente diseñados enviados hacia el puerto TCP 102 podrían causar una condición de Denegación de Servicio en los dispositivos afectados. Puede ser necesario un reinicio en frío para recuperarse"
    }
  ],
  "lastModified": "2026-06-17T03:06:38.873",
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