CVE-2023-42766 - Vulnerability Details - OpenCVE

Improper input validation in some Intel NUC 8 Compute Element BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00051.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Intel	Nuc 8 Compute Element Cm8v5cb Nuc 8 Compute Element Cm8v5cb Firmware Nuc 8 Compute Element Cm8v7cb Nuc 8 Compute Element Cm8v7cb Firmware

Configuration 1 [-]

AND

cpe:2.3:o:intel:nuc_8_compute_element_cm8v5cb_firmware:cbwhlmiv.103:*:*:*:*:*:*:*

cpe:2.3:h:intel:nuc_8_compute_element_cm8v5cb:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:intel:nuc_8_compute_element_cm8v7cb_firmware:cbwhlmiv.103:*:*:*:*:*:*:*

cpe:2.3:h:intel:nuc_8_compute_element_cm8v7cb:-:*:*:*:*:*:*:*

No data.

No data.

References

Link	Providers
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html

History

Tue, 17 Jun 2025 22:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: intel

Published: 2024-01-19T20:03:09.700Z

Updated: 2025-06-17T21:19:23.684Z

Reserved: 2023-09-22T03:00:11.578Z

Link: CVE-2023-42766

Vulnrichment

Updated: 2024-08-02T19:30:24.687Z

NVD

Status : Modified

Published: 2024-01-19T20:15:11.537

Modified: 2024-11-21T08:23:07.170

Link: CVE-2023-42766

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-42766", "assignerOrgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce", "state": "PUBLISHED", "assignerShortName": "intel", "dateReserved": "2023-09-22T03:00:11.578Z", "datePublished": "2024-01-19T20:03:09.700Z", "dateUpdated": "2025-06-17T21:19:23.684Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce", "shortName": "intel", "dateUpdated": "2024-01-19T20:03:09.700Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "escalation of privilege"}, {"lang": "en", "description": "Improper input validation", "cweId": "CWE-20", "type": "CWE"}]}], "affected": [{"vendor": "n/a", "product": "Intel NUC 8 Compute Element BIOS firmware", "versions": [{"version": "See references", "status": "affected"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Improper input validation in some Intel NUC 8 Compute Element BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access."}], "references": [{"name": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html", "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T19:30:24.687Z"}, "title": "CVE Program Container", "references": [{"name": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html", "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-42766", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-01-23T05:01:32.607038Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-17T21:19:23.684Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html", "name": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T19:30:24.687Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-42766", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-01-23T05:01:32.607038Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-17T21:15:42.063Z"}}], "cna": {"metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "n/a", "product": "Intel NUC 8 Compute Element BIOS firmware", "versions": [{"status": "affected", "version": "See references"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html", "name": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html"}], "descriptions": [{"lang": "en", "value": "Improper input validation in some Intel NUC 8 Compute Element BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "escalation of privilege"}, {"lang": "en", "type": "CWE", "cweId": "CWE-20", "description": "Improper input validation"}]}], "providerMetadata": {"orgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce", "shortName": "intel", "dateUpdated": "2024-01-19T20:03:09.700Z"}}}, "cveMetadata": {"cveId": "CVE-2023-42766", "state": "PUBLISHED", "dateUpdated": "2025-06-17T21:19:23.684Z", "dateReserved": "2023-09-22T03:00:11.578Z", "assignerOrgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce", "datePublished": "2024-01-19T20:03:09.700Z", "assignerShortName": "intel"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:intel:nuc_8_compute_element_cm8v5cb_firmware:cbwhlmiv.103:*:*:*:*:*:*:*", "matchCriteriaId": "091B8649-6C7C-46A2-B015-D3781BC230C2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:intel:nuc_8_compute_element_cm8v5cb:-:*:*:*:*:*:*:*", "matchCriteriaId": "C66CDF2D-D808-4FEF-B8D0-DD1117B395A3", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:intel:nuc_8_compute_element_cm8v7cb_firmware:cbwhlmiv.103:*:*:*:*:*:*:*", "matchCriteriaId": "6E1F558B-FA4D-4962-BA45-E399A6C324C2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:intel:nuc_8_compute_element_cm8v7cb:-:*:*:*:*:*:*:*", "matchCriteriaId": "EF24046F-CE1B-401D-882C-3F705AA6C481", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "Improper input validation in some Intel NUC 8 Compute Element BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access."}, {"lang": "es", "value": "La validaci\u00f3n de entrada incorrecta en algunos firmware del BIOS Intel NUC 8 Compute Element puede permitir que un usuario privilegiado habilite potencialmente la escalada de privilegios a trav\u00e9s del acceso local."}], "id": "CVE-2023-42766", "lastModified": "2024-11-21T08:23:07.170", "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"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-01-19T20:15:11.537", "references": [{"source": "secure@intel.com", "tags": ["Vendor Advisory"], "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html"}], "sourceIdentifier": "secure@intel.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "secure@intel.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}