CVE-2022-4575

6.7 MEDIUM 0.2% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited locally on the machine with an admin-level account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2023-10-30 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 05:21 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.2% in the next 30 days (EPSS).
Severity: 6.7 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2023-10-30 15:15 UTC
Last modified: 2026-06-17 05:21 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-276 · Incorrect default permissions
Record status: Modified

Affected

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

Attack profile CVSS 3.1 · 6.7

Attack vector: Local
Complexity: Low
Privileges needed: High
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2022-4575.md and follow it. Check whether this project is affected by CVE-2022-4575. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

· More options · Status badge

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record