{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "116FA86C-7A05-4B2C-8148-6FE371E60D70",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "236DEF3C-0F0F-467B-9EEB-276092938DAF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.3.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "A6A1E205-BB61-47BE-A903-0F122D2D732A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "BCB742B0-8E3E-4110-87A9-D40360743A42",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "582782AB-3CBC-4EB6-B271-4AA270F87CB1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:phoenix_contact_gmbh:mguard_firmware:8.4.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "3625B7F5-0170-4269-97A3-F3ABF147F803",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:phoenix_contact_gmbh:mguard:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "418AA18B-BB7E-4C77-BF5C-F1CB320B643B",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Improper Authentication issue was discovered in Phoenix Contact GmbH mGuard firmware versions 8.3.0 to 8.4.2. An attacker may be able to gain unauthorized access to the user firewall when RADIUS servers are unreachable."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema de autenticaci\u00f3n inapropiada en Phoenix Contact GmbH versiones de firmware 8.3.0 hasta 8.4.2. Un atacante puede alcanzar acceso no autorizado al firewall del usuario cuando no se puede acceder a los servidores RADIUS."
    }
  ],
  "id": "CVE-2017-7937",
  "lastModified": "2025-04-20T01:37:25.860",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.0,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-05-19T03:29:00.683",
  "references": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-131-01"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-131-01"
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}