CVE-2021-3599 MEDIUM

CVE-2021-3599

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 callback function used to access flash device 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

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-3599 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/20.html