Vulnerability identifier: #VU73729

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3728

CWE-ID: CWE-254

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
ThinkPad T14s Gen 3 21CQ 21CR
Hardware solutions / Firmware
ThinkPad X13 Gen 3 21CM 21CN
Hardware solutions / Firmware

Vendor:

Description

The vulnerability allows an attacker to bypass implemented security restrictions.

The vulnerability exists due to an error in the BIOS tamper detection mechanism. A local user can bypass implemented security restrictions and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://support.lenovo.com/us/en/product_security/LEN-106014

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.