Buffer overflow in Lenovo Bios
CVE-2022-40137
A buffer overflow in the WMI SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to execute arbitrary code.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (13.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Lenovo Bios — versions various
- Lenovo Ideacentre_3-07ada05
- Lenovo Ideacentre_3-07ada05_firmware — versions o4fkt33a
- Lenovo Ideacentre_3_07iab7
- Lenovo Ideacentre_3_07iab7_firmware — versions m49kt1da
- Lenovo Ideacentre_3-07imb05
- Lenovo Ideacentre_3-07imb05_firmware — versions m2vkt1fa
- Lenovo Ideacentre_510-15ick
- Lenovo Ideacentre_510-15ick_firmware — versions o4kkt16a
- Lenovo Ideacentre_510a-15arr
Weakness classification (CWE)
References
- psirt@lenovo.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-40137?
- CVE-2022-40137 is a medium-severity vulnerability in Lenovo Bios, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2023-01-30.
- How severe is CVE-2022-40137?
- Medium severity. CVSS v3 base score is 6.7 out of 10.