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Vulnerability record · CVE-2022-4574 · published 30 October 2023

CVE-2022-4574: Lenovo thinkpad x13 yoga gen 2 firmware improper input validation vulnerability

Lenovo · Thinkpad X13 Yoga Gen 2 Firmware

An SMI handler input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code.  

6.7 CVSS 3.1 Medium EPSS 0.19% · top 91.9% CWE-20 · Improper input validation
6.7CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
54Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An SMI handler input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code.  

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

Affected products

54 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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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2022-4574), CISA KEV, FIRST EPSS (scores of 2026-10-18). This page is refreshed as NVD updates the record.