CVE-2021-3972

A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices' BIOS that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.7 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
lenovoCNA
6.7 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 93%
VendorProductVersion
lenovos540-13iml_firmware
-
lenovoslim_7_pro-14ihu5_firmware
-
lenovoslim_9-14itl05_firmware
-
lenovoyoga_c940-14iil_firmware
-
lenovoyoga_slim_7_pro-14ihu5_firmware
-
lenovoyoga_slim_7_pro-14ihu5_o_firmware
-
lenovoyoga_slim_7_pro-14itl5_firmware
-
lenovoyoga_slim_9-14itl05_firmware
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.lenovo.com/us/en/product_security/LEN-73440
https://support.lenovo.com/us/en/product_security/LEN-73440