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CVE-2020-12326

Estado: ModificadaMedia (5.5)—

Improper initialization in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow an authenticated 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-2020-12326",
  "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": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "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": "2020-11-12T19:15:13.270",
  "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-665"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper initialization in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow an authenticated user to potentially enable information disclosure via local access."
    },
    {
      "lang": "es",
      "value": "Una inicialización incorrecta en algunos controladores Intel® Thunderbolt™ DCH para Windows* anterior a versión 72, puede habilitar a un usuario autenticado para permitir potencialmente una divulgación de información por medio de un acceso local"
    }
  ],
  "lastModified": "2026-06-17T02:51:38.533",
  "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"
}