Security features bypass in ThinkPad T14s Gen 3 21CQ 21CR and ThinkPad X13 Gen 3 21CM 21CN - CVE-2022-3728
Published: March 15, 2023
Vulnerability identifier: #VU73729
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-3728
CWE-ID: CWE-254
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Lenovo
Affected software:
ThinkPad T14s Gen 3 21CQ 21CR
ThinkPad X13 Gen 3 21CM 21CN
ThinkPad T14s Gen 3 21CQ 21CR
ThinkPad X13 Gen 3 21CM 21CN
Detailed vulnerability 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.
How to mitigate CVE-2022-3728
Install updates from vendor's website.