CVE-2021-3843 MEDIUM

CVE-2021-3843

Vendor Lenovo
Product ThinkPad BIOS
Weakness CWE-20 · Input validation
Published November 12, 2021
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 the SMI function to access EEPROM in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code.

Key dates

02Disclosure timeline

November 12, 2021 CVE published
August 3, 2024 Record updated