CVE-2025-4275: fallo de gravedad alta en InsydeH2O
SecureFlashDxe: Incorrect UEFI variable attributes check allows usage of invalid certificate
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.8epss 0.5%
A vulnerability in the digital signature verification process does not properly validate variable attributes which allows an attacker to bypass signature verification by creating a non-authenticated NVRAM variable. An attacker may to execute arbitrary signed UEFI code and bypass Secure Boot.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Productos afectados
Insyde Software · InsydeH2OCVEs relacionadas — InsydeH2O
En el mismo producto, de las más peligrosas a las menos.
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