CVE-2023-43626 (GCVE-0-2023-43626)
Vulnerability from cvelistv5 – Published: 2024-09-16 16:38 – Updated: 2025-11-03 21:49
VLAI
EPSS
VEX
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.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-16 20:58 UTC
CWE
- escalation of privilege
- CWE-284 - Improper access control
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | UEFI firmware for some Intel(R) Processors |
Affected:
See references
|
||
| intel | atom_c5325_firmware |
Affected:
0 , < *
(custom)
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:-:*:*:*:*:*:*:* |
{
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"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"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"affected": [
{
"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"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-43626",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-16T20:58:39.557148Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-16T21:08:00.455Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "UEFI firmware for some Intel(R) Processors",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "See references"
}
]
}
],
"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."
}
],
"metrics": [
{
"cvssV3_1": {
"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"
},
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "LOCAL",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"privilegesRequired": "HIGH",
"subAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "HIGH",
"subIntegrityImpact": "HIGH",
"userInteraction": "NONE",
"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",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "escalation of privilege",
"lang": "en"
},
{
"cweId": "CWE-284",
"description": "Improper access control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-09-16T16:38:42.037Z",
"orgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce",
"shortName": "intel"
},
"references": [
{
"name": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01071.html",
"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01071.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce",
"assignerShortName": "intel",
"cveId": "CVE-2023-43626",
"datePublished": "2024-09-16T16:38:42.037Z",
"dateReserved": "2023-10-25T03:00:09.584Z",
"dateUpdated": "2024-09-16T21:08:24.504Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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
| Author | Source | Type | Date | Other |
|---|
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.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- 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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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