FKIE_CVE-2020-26186

Vulnerability from fkie_nvd - Published: 2021-01-08 19:15 - Updated: 2024-11-21 05:19
Severity ?
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the RuntimeServices structure to execute arbitrary code in System Management Mode (SMM).
References
security_alert@emc.comhttps://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerabilityVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerabilityVendor Advisory
Impacted products
Vendor Product Version
dell inspiron_5675_firmware *
dell inspiron_5675 -
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
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              "matchCriteriaId": "94F0E368-ED94-4604-90D9-A7723D935EE9",
              "versionEndExcluding": "1.4.1",
              "vulnerable": true
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the RuntimeServices structure to execute arbitrary code in System Management Mode (SMM)."
    },
    {
      "lang": "es",
      "value": "Dell Inspiron 5675 BIOS versiones anteriores a 1.4.1, contienen una vulnerabilidad de sobrescritura de UEFI BIOS RuntimeServices.\u0026#xa0;Un atacante local con acceso a una memoria del sistema puede explotar esta vulnerabilidad al sobrescribir la estructura de RuntimeServices para ejecutar c\u00f3digo arbitrario en System Management Mode (SMM)"
    }
  ],
  "id": "CVE-2020-26186",
  "lastModified": "2024-11-21T05:19:29.030",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
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        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
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        "type": "Primary",
        "userInteractionRequired": false
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          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
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          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "type": "Secondary"
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  "published": "2021-01-08T19:15:14.320",
  "references": [
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      "tags": [
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    },
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  "sourceIdentifier": "security_alert@emc.com",
  "vulnStatus": "Modified",
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          "value": "CWE-642"
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      "type": "Secondary"
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          "value": "CWE-668"
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      "source": "nvd@nist.gov",
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    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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