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CVE-2018-6686

Estado: ModificadaMedia (6.6)—

Authentication Bypass vulnerability in TPM autoboot in McAfee Drive Encryption (MDE) 7.1.0 and above allows physically proximate attackers to bypass local security protection via specific set of circumstances.

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)

Mcafee — Drive Encryption

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-6686",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "trellixpsirt@trellix.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 7,
          "attackVector": "PHYSICAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 0.7
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.6,
          "attackVector": "PHYSICAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.7
      }
    ]
  },
  "affected": [
    {
      "source": "trellixpsirt@trellix.com",
      "affectedData": [
        {
          "vendor": "McAfee",
          "product": "Drive Encryption (MDE)",
          "versions": [
            {
              "status": "affected",
              "version": "7.1.0",
              "lessThan": "7.1.0*",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "7.1.3.634",
              "lessThan": "7.1.3.634",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "7.2.0",
              "lessThan": "7.2.0*",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "7.2.6",
              "lessThan": "7.2.6",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "x86"
          ]
        }
      ]
    }
  ],
  "published": "2018-07-27T13:29:00.380",
  "references": [
    {
      "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10242",
      "source": "trellixpsirt@trellix.com"
    },
    {
      "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10242",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Authentication Bypass vulnerability in TPM autoboot in McAfee Drive Encryption (MDE) 7.1.0 and above allows physically proximate attackers to bypass local security protection via specific set of circumstances."
    },
    {
      "lang": "es",
      "value": "La vulnerabilidad omisión de autenticación en el autoarranque de TPM en McAfee Drive Encryption (MDE) en versiones 7.1.0 y posteriores permite a los atacantes físicamente próximos omitir la protección de seguridad local a través de un conjunto específico de circunstancias."
    }
  ],
  "lastModified": "2026-06-17T02:02:12.420",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mcafee:drive_encryption:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "45AF8630-DCB8-4F27-97FD-2A710C693390",
              "versionStartIncluding": "7.1.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "trellixpsirt@trellix.com"
}