Vulnerability identifier: #VU73732

Vulnerability risk: Low

CVSSv3.1: 8.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-4573

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
ThinkPad X1 Fold Gen 1 20RK
Hardware solutions / Firmware
ThinkPad X1 Fold Gen 1 20RL
Hardware solutions / Firmware

Vendor: Lenovo

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input in the SMI handler. A local user can execute arbitrary code on the target system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

ThinkPad X1 Fold Gen 1 20RK: All versions

ThinkPad X1 Fold Gen 1 20RL: All 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.