FKIE_CVE-2023-43626

Vulnerability from fkie_nvd - Published: 2024-09-16 17:16 - Updated: 2026-06-17 06:26
Severity
7.5 (High) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Summary
Improper access control in UEFI firmware for some Intel(R) Processors 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-01071.html
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20241011-0009/
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "UEFI firmware for some Intel(R) Processors",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "See references"
            }
          ]
        }
      ],
      "source": "secure@intel.com"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:intel:atom_c2308_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2316_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2338_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2350_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2358_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2508_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2516_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2518_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2530_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2538_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2550_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2558_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2718_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2730_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2738_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2750_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c2758_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3000_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3308_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3336_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3338_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3338r_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3436l_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3508_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3538_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3558_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3558rc_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3558r_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3708_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3750_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3758_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3758r_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3808_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3830_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3850_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3858_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3950_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3955_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c3958_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c5115_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c5125_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c5310_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c5315_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c5320_firmware:-:*:*:*:*:*:*:*",
            "cpe:2.3:o:intel:atom_c5325_firmware:-:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "atom_c5325_firmware",
          "vendor": "intel",
          "versions": [
            {
              "lessThan": "*",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper access control in UEFI firmware for some Intel(R) Processors 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 UEFI para algunos procesadores Intel(R) puede permitir que un usuario privilegiado habilite potencialmente la escalada de privilegios a trav\u00e9s del acceso local."
    }
  ],
  "id": "CVE-2023-43626",
  "lastModified": "2026-06-17T06:26:05.997",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 6.0,
        "source": "secure@intel.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "HIGH",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "HIGH",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "secure@intel.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-43626",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-16T20:58:39.557148Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-09-16T17:16:00.250",
  "references": [
    {
      "source": "secure@intel.com",
      "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01071.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.netapp.com/advisory/ntap-20241011-0009/"
    }
  ],
  "sourceIdentifier": "secure@intel.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "secure@intel.com",
      "type": "Secondary"
    }
  ]
}


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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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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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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