SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-4574

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.

MEDIUM 6.7EPSS 0.19%

Does this matter?

Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own.

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
6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.19% probability · 9th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
lenovo/thinkpad x13 yoga gen 2 firmware · lenovo/thinkpad x13 yoga gen 1 firmware · lenovo/thinkpad x13 gen 3 firmware · lenovo/thinkpad x13 gen 2 firmware · lenovo/thinkpad x13 firmware · lenovo/thinkpad x1 yoga 7th gen firmware · lenovo/thinkpad x1 yoga 6th gen firmware · lenovo/thinkpad x1 yoga 5th gen firmware · lenovo/thinkpad x1 yoga 4th gen firmware · lenovo/thinkpad x1 titanium firmware · lenovo/thinkpad x1 nano gen 2 firmware · lenovo/thinkpad x1 nano gen 1 firmware · lenovo/thinkpad x1 fold gen 1 firmware · lenovo/thinkpad x1 extreme gen 5 firmware · lenovo/thinkpad x1 extreme 4th gen firmware · lenovo/thinkpad x1 extreme 3rd gen firmware · lenovo/thinkpad x1 carbon 9th gen firmware · lenovo/thinkpad x1 carbon 8th gen firmware · lenovo/thinkpad x1 carbon 7th gen firmware · lenovo/thinkpad x1 carbon 10th gen firmware · +34 more
Source
psirt@lenovo.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.