CVE-2021-33118
Estado: ModificadaAlta (7.8)—
Un control de acceso inapropiado en el instalador de software para el controlador Intel(R) Serial IO para Intel(R) NUC 11 Gen versiones anteriores a 30.100.2104.1 puede permitir a un usuario autenticado habilitar potencialmente una escalada de privilegios por medio de un acceso local.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.25%
- Percentil entre todas las CVEs puntuadas: 15
- Fecha de la puntuación: 8/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- NVD-CWE-Other
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-33118",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.6,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "secure@intel.com",
"affectedData": [
{
"vendor": "n/a",
"product": "Intel(R) Serial IO driver for Intel(R) NUC 11 Gen",
"versions": [
{
"status": "affected",
"version": "before version 30.100.2104.1"
}
]
}
]
}
],
"published": "2021-11-17T20:15:10.160",
"references": [
{
"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00560.html",
"tags": [
"Vendor Advisory"
],
"source": "secure@intel.com"
},
{
"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00560.html",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper access control in the software installer for the Intel(R) Serial IO driver for Intel(R) NUC 11 Gen before version 30.100.2104.1 may allow an authenticated user to potentially enable escalation of privilege via local access."
},
{
"lang": "es",
"value": "Un control de acceso inapropiado en el instalador de software para el controlador Intel(R) Serial IO para Intel(R) NUC 11 Gen versiones anteriores a 30.100.2104.1 puede permitir a un usuario autenticado habilitar potencialmente una escalada de privilegios por medio de un acceso local."
}
],
"lastModified": "2026-06-17T03:54:11.637",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:intel:serial_io_driver_for_intel_nuc_11_gen:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "769A31FB-0069-4A1C-A8B7-40269FFA5A99",
"versionEndExcluding": "30.100.2104.1"
}
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"operator": "OR"
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]
}
],
"sourceIdentifier": "secure@intel.com"
}