#VU70677 Stack-based buffer overflow in ThinkPad X13s BIOS - CVE-2022-40520
Published: January 4, 2023 / Updated: January 11, 2023
Vulnerability identifier: #VU70677
Vulnerability risk: Low
CVSSv4.0: 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-2022-40520
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
ThinkPad X13s BIOS
ThinkPad X13s BIOS
Software vendor:
Lenovo
Lenovo
Description
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A local user can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.