CVE-2021-3970

MediumCVSS 6.7/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20

Affected software

VendorProductVersions
LenovoNotebook BIOSvarious

References

Timeline

Published
Apr 22, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

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CVE-2021-3970: Medium severity, CVSS 6.7 | Vulnix