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CVE-2021-31853

Estado: ModificadaAlta (7.8)—

DLL Search Order Hijacking Vulnerability in McAfee Drive Encryption (MDE) prior to 7.3.0 HF2 (7.3.0.183) allows local users to execute arbitrary code and escalate privileges via execution from a compromised folder.

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-2021-31853",
  "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
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "trellixpsirt@trellix.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/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": 1.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/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": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "trellixpsirt@trellix.com",
      "affectedData": [
        {
          "vendor": "McAfee,LLC",
          "product": "McAfee Drive Encryption (MDE)",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "7.3.0 HF2",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-11-10T09:15:07.307",
  "references": [
    {
      "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10374",
      "tags": [
        "Broken Link"
      ],
      "source": "trellixpsirt@trellix.com"
    },
    {
      "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10374",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "trellixpsirt@trellix.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "DLL Search Order Hijacking Vulnerability in McAfee Drive Encryption (MDE) prior to 7.3.0 HF2 (7.3.0.183) allows local users to execute arbitrary code and escalate privileges via execution from a compromised folder."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de secuestro de orden de búsqueda de DLL en McAfee Drive Encryption (MDE) versiones anteriores a 7.3.0 HF2 (7.3.0.183) permite a usuarios locales ejecutar código arbitrario y escalar privilegios por medio de la ejecución desde una carpeta comprometida"
    }
  ],
  "lastModified": "2026-06-17T03:52:21.100",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mcafee:drive_encryption:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0DBAA3FC-D05E-4FDB-A12A-01F9B062A48A",
              "versionEndIncluding": "7.2.10",
              "versionStartIncluding": "7.2.0"
            },
            {
              "criteria": "cpe:2.3:a:mcafee:drive_encryption:7.3.0:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2E722684-441D-4AE1-9548-AC50943AFB48"
            },
            {
              "criteria": "cpe:2.3:a:mcafee:drive_encryption:7.3.0:hotfix1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4894861E-0898-496D-8340-608BE339E516"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "trellixpsirt@trellix.com"
}