CVE-2026-24349

Estado: AnalizadaAlta (8.2)—

A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runtime V20 (All versions), SIMATIC WinCC Unified PC Runtime V21 (All versions < V21 Update 2). Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information.

CVSS

Versión: 4.0
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/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
Puntuación base: 8.2

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.06%
Percentil entre todas las CVEs puntuadas: 0
Fecha de la puntuación: 30/9/2026

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation75 %
Impacto principalT1552.001 Credentials In Filescredential access85 %
Impacto secundarioT1040 Network Sniffingcredential access · discovery60 %

AV:L sin UI:R apunta a T1068. CWE-313 (almacenamiento sin protección) en Certificate Manager permite extraer credenciales/material criptográfico del sistema local, clasificado como T1552.001 (Unsecured Credentials).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

User Training User Account Management Threat Intelligence Program Restrict File and Directory Permissions Password Policies Network Segmentation

Tecnologías afectadas (1)

Siemens — Simatic Wincc Unified PC Runtime

CWE

CWE-313

Referencias

https://cert-portal.siemens.com/productcert/html/ssa-063511.html

JSON original (NVD)

Mostrar

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          "options": [
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          "version": "2.0.3",
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          "vulnIntegrityImpact": "NONE",
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          "modifiedAttackVector": "NOT_DEFINED",
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          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
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          "subConfidentialityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "productcert@siemens.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Secondary",
      "source": "productcert@siemens.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-313"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runtime V20 (All versions), SIMATIC WinCC Unified PC Runtime V21 (All versions < V21 Update 2). Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad ha sido identificada en SIMATIC WinCC Unified PC Runtime V16 (Todas las versiones), SIMATIC WinCC Unified PC Runtime V17 (Todas las versiones), SIMATIC WinCC Unified PC Runtime V18 (Todas las versiones), SIMATIC WinCC Unified PC Runtime V19 (Todas las versiones), SIMATIC WinCC Unified PC Runtime V20 (Todas las versiones), SIMATIC WinCC Unified PC Runtime V21 (Todas las versiones < V21 Update 2). Protección insuficiente del material clave en WinCC Certificate Manager que podría permitir a un atacante extraer información sensible."
    }
  ],
  "lastModified": "2026-07-23T08:10:00.137",
  "configurations": [
    {
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}