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CVE-2020-7502

Estado: ModificadaAlta (7.5)—

A CWE-787: Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (Firmware version 4.3 and prior), which may cause a Denial of Service when specific TCP/IP crafted packets are sent to the Modicon M218 Logic Controller.

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 (1)

Schneider-electric — Modicon M218 Firmware

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-7502",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "cvssData": {
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Modicon M218 Logic Controller (Firmware version 4.3 and prior)",
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  "published": "2020-06-16T20:15:15.050",
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        "Vendor Advisory"
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      "description": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "value": "CWE-787"
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  "descriptions": [
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      "lang": "en",
      "value": "A CWE-787: Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (Firmware version 4.3 and prior), which may cause a Denial of Service when specific TCP/IP crafted packets are sent to the Modicon M218 Logic Controller."
    },
    {
      "lang": "es",
      "value": "Una CWE-787: Se presenta una vulnerabilidad de Escritura Fuera de Límites en Modicon M218 Logic Controller (versiones de Firmware 4.3 y anteriores), lo que puede causar una Denegación de Servicio cuando son enviados paquetes específicos TCP/IP hacia el Controlador Lógico Modicon M218"
    }
  ],
  "lastModified": "2026-06-17T03:24:54.283",
  "configurations": [
    {
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