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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (13.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
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
- support.lenovo.com/us/en/product_security/LEN-94953 (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.