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Status published
Medium
CVE-2022-4575
A vulnerability due to improper write protection of UEFI variables...
Vulnerability Description
A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Lenovo thanks Krzysztof Okupski from IOActive for reporting this issue.
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Affected Vendor
Lenovo
View all reports →Affected Software
ThinkPad BIOS
Vulnerable Versions:
various
Timeline
Official Publish:
October 30th, 2023
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H