CVE-2024-21925
Estado: AplazadaAlta (8.2)—
Improper input validation within the AmdPspP2CmboxV2 driver may allow a privileged attacker to overwrite SMRAM, leading to arbitrary code execution.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Puntuación base: 8.2
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.20%
- Percentil entre todas las CVEs puntuadas: 9
- Fecha de la puntuación: 6/10/2026
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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation95 % - Impacto principal
T1059Command and Scripting Interpreterexecution85 % - Impacto secundario
T1528Steal Application Access Tokencredential access60 %
Acceso local (AV:L) con privilegios altos (PR:H) sin interacción permite escalada vía sobrescritura de SMRAM en driver AMD, resultando en ejecución arbitraria de código (T1059) y potencial acceso a secretos del firmware (T1528).
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-20
Referencias
JSON original (NVD)
Mostrar
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"published": "2025-02-11T21:15:12.577",
"references": [
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7027.html",
"source": "psirt@amd.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@amd.com",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper input validation within the AmdPspP2CmboxV2 driver may allow a privileged attacker to overwrite SMRAM, leading to arbitrary code execution."
},
{
"lang": "es",
"value": "La validación de entrada incorrecta dentro del controlador AmdPspP2CmboxV2 puede permitir que un atacante privilegiado sobrescriba SMRAM, lo que lleva a la ejecución de código arbitrario."
}
],
"lastModified": "2026-06-17T07:10:25.417",
"sourceIdentifier": "psirt@amd.com"
}