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CVE-2023-39982

Estado: ModificadaMedia (5.9)—

A vulnerability has been identified in MXsecurity versions prior to v1.0.1. The vulnerability may put the confidentiality and integrity of SSH communications at risk on the affected device. This vulnerability is attributed to a hard-coded SSH host key, which might facilitate man-in-the-middle attacks and enable the decryption of SSH traffic.

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 — Mxsecurity

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-39982",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-39982",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-30T20:16:27.945469Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@moxa.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:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@moxa.com",
      "affectedData": [
        {
          "vendor": "Moxa",
          "product": "MXsecurity Series",
          "versions": [
            {
              "status": "affected",
              "version": "1.0",
              "versionType": "custom",
              "lessThanOrEqual": "1.0.1"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2023-09-02T13:15:45.347",
  "references": [
    {
      "url": "https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230403-mxsecurity-series-multiple-vulnerabilities",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@moxa.com"
    },
    {
      "url": "https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230403-mxsecurity-series-multiple-vulnerabilities",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@moxa.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-321"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in MXsecurity versions prior to v1.0.1. The vulnerability may put the confidentiality and integrity of SSH communications at risk on the affected device. This vulnerability is attributed to a hard-coded SSH host key, which might facilitate man-in-the-middle attacks and enable the decryption of SSH traffic."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en las versiones de MXsecurity anteriores a la v1.0.1. La vulnerabilidad puede poner en riesgo la confidencialidad e integridad de las comunicaciones SSH en el dispositivo afectado. Esta vulnerabilidad se atribuye a una clave de host SSH incrustada, que podría facilitar los ataques man-in-the-middle y permitir el descifrado del tráfico SSH. "
    }
  ],
  "lastModified": "2026-06-17T06:13:05.120",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:moxa:mxsecurity:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0ED6F989-0F7D-46CC-BCEC-91E50F1B42AC",
              "versionEndIncluding": "1.0.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@moxa.com"
}