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CVE-2021-3972

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CVE-2021-3972

Published: Apr 22, 2022

Modified: Aug 3, 2024

PUBLISHED

CVSS v3.1

6.7

MEDIUM

Description

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.

VendorProductVersions

Lenovo

Notebook BIOS

affected
various

Weaknesses (CWE)

CWE-489

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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