CVE-2021-3453
MEDIUMLenovo Notebook, ThinkPad, and Desktop Systems - BIOS Module Protection Bypass
Title source: llmDescription
Some Lenovo Notebook, ThinkPad, and Lenovo Desktop systems have BIOS modules unprotected by Intel Boot Guard that could allow an attacker with physical access the ability to write to the SPI flash storage.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.lenovo.com/us/en/product_security/LEN-65529
Scores
CVSS v3
6.8
EPSS
0.0005
EPSS Percentile
14.9%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-693
Status
published
Products (21)
lenovo/730s-13iml_firmware
lenovo/ideacentre_aio_5-24imb05_firmware
< 2021-09-30
lenovo/ideacentre_aio_5-74imb05_firmware
< 2021-09-30
lenovo/ideapad_1-11igl05_firmware
lenovo/ideapad_1-14igl05_firmware
lenovo/ideapad_s940-14iil_firmware
lenovo/ideapad_s940-14iwl_firmware
lenovo/ideapad_slim_1-11ast-05_firmware
lenovo/ideapad_slim_1-14ast-05_firmware
lenovo/thinkpad_helix_firmware
n17etb4w
... and 11 more
Published
Jul 16, 2021
Tracked Since
Feb 18, 2026