VULNERABILITY INTELLIGENCE
CVE-2021-4212
CVSS score6.7 MEDIUM
EPSS probability0.26%
CISA KEVNot currently listed
Published2022-04-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Description
A potential vulnerability in the SMI callback function used in the Legacy BIOS mode driver in some Lenovo Notebook models may allow an attacker with local access and elevated privileges to execute arbitrary code.
Weakness classification
- psirt@lenovo.com: CWE-20
- nvd@nist.gov: CWE-20
Primary references
- psirt@lenovo.com — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory