CVE-2022-4575

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.

Remediation

Solution:

  • Update system firmware to the version (or newer) indicated for your model in the Product Impact section of LEN-106014.

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Vendor Advisory lenovo.com
Affected: Lenovo ThinkPad BIOS
Published at:
Updated at:

References

Link Tags
https://support.lenovo.com/us/en/product_security/LEN-106014 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-4575?
CVE-2022-4575 has been scored as a medium severity vulnerability.
How to fix CVE-2022-4575?
To fix CVE-2022-4575: Update system firmware to the version (or newer) indicated for your model in the Product Impact section of LEN-106014.
Is CVE-2022-4575 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-4575 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-4575?
CVE-2022-4575 affects Lenovo ThinkPad BIOS.
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