CVE Vulnerabilities

CVE-2021-3972

Active Debug Code

Published: Apr 22, 2022 | Modified: Nov 21, 2024
CVSS 3.x
6.7
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
4.6 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
root.io logo minimus.io logo echo.ai logo

A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices BIOS that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable.

Weakness

The product is released with debugging code still enabled or active.

Affected Software

NameVendorStart VersionEnd Version
Ideapad_3-14ada05_firmwareLenovo*e8cn33ww (excluding)

Potential Mitigations

References