Security features bypass in Lenovo products - CVE-2022-48183

Vulnerability identifier: #VU73731

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2022-48183

CWE-ID: CWE-254

Exploitation vector: Local access

Exploit availability: No public exploit available

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.

ThinkPad T14s Gen 3 21BR 21BS
ThinkPad X13 Gen 3 21BN 21BQ
ThinkPad T14s Gen 3 21CQ 21CR
ThinkPad X13 Gen 3 21CM 21CN

Install updates from vendor's website.

ThinkPad T14s Gen 3 21CQ 21CR - update to R22ET60W
ThinkPad X13 Gen 3 21CM 21CN - update to R22ET60W

• https://support.lenovo.com/us/en/product_security/LEN-106014

• Multiple vulnerabilities in Lenovo ThinkPad BIOS firmware