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CVE-2026-3509

Estado: Pendiente de análisisAlta (7.5)—

An unauthenticated remote attacker may be able to control the format string of messages processed by the Audit Log of the CODESYS Control runtime system, potentially resulting in a denial‑of‑service (DoS) condition.

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).

🎯 Técnicas ATT&CK

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

Vector AV:N/PR:N/UI:N indica explotación remota sin privilegios (T1190). CWE-134 (format string) en Audit Log permite controlar formato de mensajes causando DoS (T1499.004, variante aplicación).

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

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-3509",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-3509",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-26T12:35:33.893071Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "info@cert.vde.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "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"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "info@cert.vde.com",
      "affectedData": [
        {
          "vendor": "CODESYS",
          "product": "CODESYS Control RTE (SL)",
          "versions": [
            {
              "status": "affected",
              "version": "3.5.17.0",
              "lessThan": "3.5.22.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "CODESYS",
          "product": "CODESYS Control RTE (for Beckhoff CX) SL",
          "versions": [
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          "vendor": "CODESYS",
          "product": "CODESYS Control for BeagleBone SL",
          "versions": [
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          "defaultStatus": "unaffected"
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        {
          "vendor": "CODESYS",
          "product": "CODESYS Control for emPC-A/iMX6 SL",
          "versions": [
            {
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        {
          "vendor": "CODESYS",
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          "defaultStatus": "unaffected"
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        {
          "vendor": "CODESYS",
          "product": "CODESYS Control for Linux ARM SL",
          "versions": [
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          "vendor": "CODESYS",
          "product": "CODESYS Control for PFC100 SL",
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          "vendor": "CODESYS",
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          "versions": [
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          "defaultStatus": "unaffected"
        },
        {
          "vendor": "CODESYS",
          "product": "CODESYS Control for PLCnext SL",
          "versions": [
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              "version": "4.1.0.0",
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              "versionType": "semver"
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          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "CODESYS",
          "product": "CODESYS Control for Raspberry Pi SL",
          "versions": [
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              "version": "4.1.0.0",
              "lessThan": "4.21.0.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "CODESYS",
          "product": "CODESYS Control for WAGO Touch Panels 600 SL",
          "versions": [
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              "lessThan": "4.21.0.0",
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          ],
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        {
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          "versions": [
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              "version": "4.1.0.0",
              "lessThan": "4.21.0.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
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      ]
    }
  ],
  "published": "2026-03-24T08:16:01.657",
  "references": [
    {
      "url": "https://certvde.com/de/advisories/VDE-2026-018",
      "source": "info@cert.vde.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "info@cert.vde.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-134"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An unauthenticated remote attacker may be able to control the format string of messages processed by the Audit Log of the CODESYS Control runtime system, potentially resulting in a denial‑of‑service (DoS) condition."
    },
    {
      "lang": "es",
      "value": "Un atacante remoto no autenticado podría controlar la cadena de formato de los mensajes procesados por el Registro de Auditoría del sistema de tiempo de ejecución CODESYS Control, resultando potencialmente en una condición de denegación de servicio (DoS)."
    }
  ],
  "lastModified": "2026-06-17T10:43:41.653",
  "sourceIdentifier": "info@cert.vde.com"
}