CVE-2024-7344
Estado: AnalizadaAlta (8.2)—
Howyar UEFI Application "Reloader" (32-bit and 64-bit) is vulnerable to execution of unsigned software in a hardcoded path.
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: 1.07%
- Percentil entre todas las CVEs puntuadas: 64
- Fecha de la puntuación: 5/10/2026
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 escalation85 % - Impacto principal
T1553.006Code Signing Policy Modificationdefense impairment80 % - Impacto secundario
T1059Command and Scripting Interpreterexecution75 %
AV:L y PR:H indica escalada local. UEFI Reloader ejecuta software sin firmar en ruta hardcoded, permitiendo ejecución de código y bypassing de controles de firma.
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 (7)
CWE
- CWE-347
Referencias
- https://uefi.org/revocationlistfile
- https://uefi.org/specs/UEFI/2.10/03_Boot_Manager.html
- https://uefi.org/specs/UEFI/2.10/32_Secure_Boot_and_Driver_Signing.html
- https://www.eset.com/blog/enterprise/preparing-for-uefi-bootkits-eset-discovery-shows-the-importance-of-cyber-intelligence/
- https://www.kb.cert.org/vuls/id/529659
- https://www.kb.cert.org/vuls/id/529659
- https://www.welivesecurity.com/en/eset-research/under-cloak-uefi-secure-boot-introducing-cve-2024-7344/
JSON original (NVD)
Mostrar
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