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CVE-2020-12327

Estado: ModificadaMedia (4.4)—

Insecure default variable initialization in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow a privileged user to potentially enable information disclosure via local access.

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)

Intel — Thunderbolt DCH Driver

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-12327",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@intel.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Intel(R) Thunderbolt(TM) DCH drivers for Windows*",
          "versions": [
            {
              "status": "affected",
              "version": "before version 72"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-11-12T19:15:13.347",
  "references": [
    {
      "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00422",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secure@intel.com"
    },
    {
      "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00422",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1188"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insecure default variable initialization in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow a privileged user to potentially enable information disclosure via local access."
    },
    {
      "lang": "es",
      "value": "Una inicialización de variable predeterminada no segura en algunos controladores Intel® Thunderbolt™ DCH para Windows* anterior a versión 72, puede habilitar a un usuario privilegiado para permitir potencialmente una divulgación de información por medio de un acceso local"
    }
  ],
  "lastModified": "2026-06-17T02:51:38.633",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:intel:thunderbolt_dch_driver:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "46298B09-C90B-4101-9989-AC3AFE30D4BB",
              "versionEndExcluding": "72"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@intel.com"
}