CVE-2022-4575

6.7MEDIUM

Key Information

Vendor
Lenovo
Status
Thinkpad BiOS
Vendor
CVE Published:
30 October 2023

Summary

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.

Affected Version(s)

ThinkPad BIOS = various

References

https://support.lenovo.com/us/en/product_security/LEN-106014

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database

Credit

Lenovo thanks Krzysztof Okupski from IOActive for reporting this issue.
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