CVE-2021-3452
MEDIUMLenovo BIOS - Authenticated Arbitrary Code Execution via System Shutdown SMI Callback
Title source: llmDescription
A potential vulnerability in the system shutdown SMI callback function in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.lenovo.com/us/en/product_security/LEN-65529
Scores
CVSS v3
6.7
EPSS
0.0006
EPSS Percentile
19.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-20
Status
published
Products (1)
lenovo/bios
Published
Jul 16, 2021
Tracked Since
Feb 18, 2026