FKIE_CVE-2021-33164

Vulnerability from fkie_nvd - Published: 2022-11-11 16:15 - Updated: 2026-06-17 03:54
Severity
8.2 (High) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.
References
secure@intel.comhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00752.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00752.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/434994
Impacted products
Vendor Product Version
intel nuc_8_mainstream-g_kit_nuc8i7inh_firmware *
intel nuc_8_mainstream-g_kit_nuc8i7inh -
intel nuc_8_mainstream-g_mini_pc_nuc8i7inh_firmware *
intel nuc_8_mainstream-g_mini_pc_nuc8i7inh -
intel nuc_8_mainstream-g_kit_nuc8i5inh_firmware *
intel nuc_8_mainstream-g_kit_nuc8i5inh -
intel nuc_8_mainstream-g_mini_pc_nuc8i5inh_firmware *
intel nuc_8_mainstream-g_mini_pc_nuc8i5inh -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Intel(R) NUCs",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "before version INWHL357.0046"
            }
          ]
        }
      ],
      "source": "secure@intel.com"
    },
    {
      "affectedData": [
        {
          "cpes": [
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          ],
          "defaultStatus": "unknown",
          "product": "intel_r_nucs",
          "vendor": "bios_firmware",
          "versions": [
            {
              "lessThan": "nwhl357.0046",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access."
    },
    {
      "lang": "es",
      "value": "Un control de acceso inadecuado en el firmware del BIOS para algunos Intel(R) NUC anteriores a la versi\u00f3n INWHL357.0046 puede permitir que un usuario privilegiado habilite potencialmente la escalada de privilegios a trav\u00e9s del acceso local."
    }
  ],
  "id": "CVE-2021-33164",
  "lastModified": "2026-06-17T03:54:18.030",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.5,
        "impactScore": 6.0,
        "source": "secure@intel.com",
        "type": "Secondary"
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          "availabilityImpact": "HIGH",
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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        "ssvcData": {
          "id": "CVE-2021-33164",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-08-01T14:30:53.127167Z",
          "version": "2.0.3"
        }
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  },
  "published": "2022-11-11T16:15:11.543",
  "references": [
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      "source": "secure@intel.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
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    },
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.kb.cert.org/vuls/id/434994"
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  "sourceIdentifier": "secure@intel.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • 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 confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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