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CVE-2019-6831

Estado: ModificadaAlta (8.6)—

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions), which could cause disconnection of active connections when an unusually high number of IEC 60870- 5-104 packets are received by the module on port 2404/TCP.

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 — Bmxnor0200h Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-6831",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "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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        "acInsufInfo": false,
        "impactScore": 2.9,
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "integrityImpact": "NONE",
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          "attackComplexity": "LOW",
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  "affected": [
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      "source": "cybersecurity@se.com",
      "affectedData": [
        {
          "vendor": "Schneider Electric SE",
          "product": "BMXNOR0200H Ethernet / Serial RTU module",
          "versions": [
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  "published": "2019-09-17T20:15:12.343",
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      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
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      "description": [
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          "value": "CWE-754"
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      "description": [
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          "value": "CWE-754"
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  "descriptions": [
    {
      "lang": "en",
      "value": "A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions), which could cause disconnection of active connections when an unusually high number of IEC 60870- 5-104 packets are received by the module on port 2404/TCP."
    },
    {
      "lang": "es",
      "value": "Una CWE-754: Se presenta una vulnerabilidad de Comprobación Inapropiada de Condiciones Inusuales o Excepcionales en el módulo BMXNOR0200H Ethernet/Serial RTU (todas las versiones de firmware), lo que podría causar la desconexión de las conexiones activas cuando un número inusualmente alto de paquetes IEC 60870-5104 son recibidos por parte del módulo sobre el puerto 2404/TCP."
    }
  ],
  "lastModified": "2026-06-17T02:39:45.527",
  "configurations": [
    {
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