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Vulnerability record · CVE-2022-4575 · published 30 October 2023

CVE-2022-4575: Lenovo thinkpad 25 firmware incorrect default permissions vulnerability

Lenovo · Thinkpad 25 Firmware

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.

6.7 CVSS 3.1 Medium EPSS 0.18% · top 92.9% CWE-276 · Incorrect default permissions
6.7CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-4575), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.