CVE-2025-4275

7.8 HIGH
Published: June 11, 2025 Modified: April 15, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://www.insyde.com/security-pledge/sa-2025002/
Source: 8338d8cb-57f7-4252-abc0-96fd13e98d21
https://www.kb.cert.org/vuls/id/211341
Source: af854a3a-2127-422b-91ae-364da2661108

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.1%
22th percentile
Exploitation Status
Not in CISA KEV