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CVE-2019-18579

Estado: ModificadaMedia (6.8)—

La configuración de las versiones anteriores a 1.1.3 del Dell XPS 13 2-in-1 (7390) BIOS, contiene una vulnerabilidad de configuración. La configuración del BIOS para la configuración "Enable Thunderbolt (and PCIe behind TBT) pre-boot modules" está habilitada por defecto. Un atacante local no autenticado con acceso físico al sistema de un usuario puede obtener acceso de lectura o escritura a la memoria principal por medio de un ataque de tipo DMA durante el arranque de la plataforma.

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)

Dell — XPS 7390 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-18579",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV30": [
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        "source": "security_alert@emc.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 7.6,
          "attackVector": "PHYSICAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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    "cvssMetricV31": [
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          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
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      "affectedData": [
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          "vendor": "Dell",
          "product": "CPG BIOS",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "lessThan": "1.1.3",
              "versionType": "custom"
            }
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  ],
  "published": "2019-12-16T20:15:15.930",
  "references": [
    {
      "url": "https://www.dell.com/support/article/SLN319808",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
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    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security_alert@emc.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-16"
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    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Settings for the Dell XPS 13 2-in-1 (7390) BIOS versions prior to 1.1.3 contain a configuration vulnerability. The BIOS configuration for the \"Enable Thunderbolt (and PCIe behind TBT) pre-boot modules\" setting is enabled by default. A local unauthenticated attacker with physical access to a user's system can obtain read or write access to main memory via a DMA attack during platform boot."
    },
    {
      "lang": "es",
      "value": "La configuración de las versiones anteriores a 1.1.3 del Dell XPS 13 2-in-1 (7390) BIOS, contiene una vulnerabilidad de configuración. La configuración del BIOS para la configuración \"Enable Thunderbolt (and PCIe behind TBT) pre-boot modules\" está habilitada por defecto. Un atacante local no autenticado con acceso físico al sistema de un usuario puede obtener acceso de lectura o escritura a la memoria principal por medio de un ataque de tipo DMA durante el arranque de la plataforma."
    }
  ],
  "lastModified": "2026-06-17T02:25:07.960",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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  "sourceIdentifier": "security_alert@emc.com"
}