CVE-2021-3970 MEDIUM

CVE-2021-3970

Vendor Lenovo
Product Notebook BIOS
Weakness CWE-20 · Input validation
Published April 22, 2022
Last update August 3, 2024
View on NVD All CVEs

CVSS base score

6.7/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A potential vulnerability in LenovoVariable SMI Handler due to insufficient validation in some Lenovo Notebook models BIOS may allow an attacker with local access and elevated privileges to execute arbitrary code.

Key dates

02Disclosure timeline

April 22, 2022 CVE published
August 3, 2024 Record updated