PoC Index

CVE-2021-3972

MEDIUM 6.7EPSS 3.0%

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.

CVSS v3.1
6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS
3.00% chance of exploitation in the next 30 days, 86th percentile
Published
2022-04-22
Updated
2024-08-03

Proof-of-concept exploits (1)

References

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