CVE-2025-4275 — SecureFlashDxe: Incorrect UEFI variable attributes check allows usage of invalid certificate
A vulnerability in the digital signature verification process does not properly validate variable attributes which allows an attacker to bypass signature verification by creatin…
Published: 2025-06-11 · CVSS: 7.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7