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CVE-2020-5348

Estado: ModificadaAlta (7.8)—

Dell Latitude 7202 Rugged Tablet BIOS versions prior to A28 contain a UAF vulnerability in EFI_BOOT_SERVICES in system management mode. A local unauthenticated attacker may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in system management mode.

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 — Latitude 7202 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-5348",
  "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,
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          "version": "3.1",
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          "attackVector": "PHYSICAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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  "affected": [
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      "affectedData": [
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          "vendor": "Dell",
          "product": "CPG BIOS",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "lessThan": "A28",
              "versionType": "custom"
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  ],
  "published": "2020-04-04T00:15:23.840",
  "references": [
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      "tags": [
        "Vendor Advisory"
      ],
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-416"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell Latitude 7202 Rugged Tablet BIOS versions prior to A28 contain a UAF vulnerability in EFI_BOOT_SERVICES in system management mode. A local unauthenticated attacker may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in system management mode."
    },
    {
      "lang": "es",
      "value": "Dell Latitude 7202 Rugged Tablet BIOS versiones anteriores a A28, contienen una vulnerabilidad de tipo UAF en EFI_BOOT_SERVICES en el modo de administración de sistema. Un atacante no autenticado local puede explotar esta vulnerabilidad al sobrescribir la estructura de EFI_BOOT_SERVICES para ejecutar código arbitrario en modo de administración de sistema."
    }
  ],
  "lastModified": "2026-06-17T03:21:19.487",
  "configurations": [
    {
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  "sourceIdentifier": "security_alert@emc.com"
}