Improper input validation in Lenovo Ideapad S940-14iwl
CVE-2021-3786
A potential vulnerability in the SMI callback function used in CSME configuration of some Lenovo Notebook and ThinkPad systems could be used to leak out data out of the SMRAM range.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (14.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.2% 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 Ideapad S940-14iwl
- Lenovo Ideapad S940-14iwl Firmware
- Lenovo Ideapad Yoga S940-14iwl
- Lenovo Ideapad Yoga S940-14iwl Firmware
- Lenovo Notebook And Thinkpad Bios — versions various
- Lenovo Thinkpad 10
- Lenovo Thinkpad 10 Firmware
- Lenovo Thinkpad 11e 3rd Gen
- Lenovo Thinkpad 11e 3rd Gen Firmware
- Lenovo Thinkpad 11e 4th Gen
Weakness classification (CWE)
References
- support.lenovo.com/us/en/product_security/LEN-67440 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3786?
- CVE-2021-3786 is a medium-severity vulnerability in Lenovo Ideapad S940-14iwl, classified under Improper Input Validation. CVSS score: 4.4/10. Published 2021-11-12.
- How severe is CVE-2021-3786?
- Medium severity. CVSS v3 base score is 4.4 out of 10.