CVE-2022-4575

Name: CVE-2022-4575
Creator: NVD / NIST
Published: 2023-10-30T15:15:40.493+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2022-4575 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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. . EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.7/10

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

EPSS Probability

0.18%

7.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Lenovo	Thinkpad 25 Firmware	< 1.73
Lenovo	Thinkpad L560 Firmware	< 1.62
Lenovo	Thinkpad P50 Firmware	< 1.71
Lenovo	Thinkpad P50s Firmware	< 1.45
Lenovo	Thinkpad P70 Firmware	< 2.45
Lenovo	Thinkpad T470 Firmware	< 1.73
Lenovo	Thinkpad T470s Firmware	< 1.49
Lenovo	Thinkpad T560 Firmware	< 1.45
Lenovo	Thinkpad X1 Carbon 4th Gen Firmware	< 1.56
Lenovo	Thinkpad X1 Yoga 1st Gen Firmware	< 1.56
Lenovo	Thinkpad X260 Firmware	< 1.50
Lenovo	Thinkpad X270 Firmware	< 1.47
Lenovo	Thinkpad Yoga 260 Firmware	< 1.88

References

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

Timeline

Published: Oct 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-4575?

How severe is CVE-2022-4575?

CVE-2022-4575 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2022-4575?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-4575?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST