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CVE-2020-12117

Estado: ModificadaMedia (5.3)—

Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain sensitive configuration values via a crafted packet to UDP port 4800. NOTE: Moxa Service is an unauthenticated service that runs upon a first-time installation but can be disabled without ill effect.

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)

Moxa — Nport 5100a Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-12117",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-05-01T14:15:11.467",
  "references": [
    {
      "url": "https://blog.scadafence.com/technical-blog-cve-2020-12117-industrial-iot-insecure-default-configurations",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.moxa.com/en/support/support/security-advisory/nport-5100a-series-serial-device-servers-vulnerability",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://blog.scadafence.com/technical-blog-cve-2020-12117-industrial-iot-insecure-default-configurations",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.moxa.com/en/support/support/security-advisory/nport-5100a-series-serial-device-servers-vulnerability",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain sensitive configuration values via a crafted packet to UDP port 4800. NOTE: Moxa Service is an unauthenticated service that runs upon a first-time installation but can be disabled without ill effect."
    },
    {
      "lang": "es",
      "value": "Moxa Service en Moxa NPort 5150A versiones de firmware 1.5 y anteriores, permite a atacantes obtener valores de configuración confidenciales por medio de un paquete diseñado al puerto UDP 4800. NOTA:  Moxa Service es un servicio no autenticado que se ejecuta sobre una instalación por primera vez, pero puede ser desactivado sin efectos adversos."
    }
  ],
  "lastModified": "2026-06-17T02:51:26.130",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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              "matchCriteriaId": "24372B08-BA72-4546-AECE-6958B3F374D8",
              "versionEndIncluding": "1.5"
            }
          ],
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        },
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  "sourceIdentifier": "cve@mitre.org"
}