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CVE-2017-7937

Estado: ModificadaMedia (4)—

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.

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)

Phoenix Contact Gmbh — Mguard Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2017-7937",
  "cveTags": [],
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    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "scope": "CHANGED",
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          "baseScore": 4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Phoenix Contact GmbH mGuard",
          "versions": [
            {
              "status": "affected",
              "version": "Phoenix Contact GmbH mGuard"
            }
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        }
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  ],
  "published": "2017-05-19T03:29:00.683",
  "references": [
    {
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-131-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-131-01",
      "tags": [
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        "US Government Resource"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
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      "type": "Secondary",
      "source": "ics-cert@hq.dhs.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
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    },
    {
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      "description": [
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          "lang": "en",
          "value": "CWE-287"
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    }
  ],
  "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 detectó un problema de autenticación 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."
    }
  ],
  "lastModified": "2026-06-17T01:25:30.893",
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