CVE-2021-26387
Estado: AplazadaBaja (3.9)—
Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L
- Puntuación base: 3.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.15%
- Percentil entre todas las CVEs puntuadas: 3
- Fecha de la puntuación: 7/10/2026
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)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-863
Referencias
JSON original (NVD)
Mostrar
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"published": "2024-08-13T17:15:17.563",
"references": [
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html",
"source": "psirt@amd.com"
},
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html",
"source": "psirt@amd.com"
}
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"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
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"lang": "en",
"value": "CWE-863"
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],
"descriptions": [
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"lang": "en",
"value": "Insufficient access controls in ASP kernel may allow a\nprivileged attacker with access to AMD signing keys and the BIOS menu or UEFI\nshell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity."
},
{
"lang": "es",
"value": "Los controles de acceso insuficientes en el kernel ASP pueden permitir que un atacante privilegiado con acceso a las claves de firma de AMD y al menú BIOS o al shell UEFI asigne regiones DRAM en áreas protegidas, lo que podría provocar una pérdida de integridad de la plataforma."
}
],
"lastModified": "2026-06-17T03:43:17.950",
"sourceIdentifier": "psirt@amd.com"
}