Improper input validation in Lenovo Thinkpad 11e 3rd Gen
CVE-2021-3843
A potential vulnerability in the SMI function to access EEPROM in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
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: 0.003 (20.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Lenovo Thinkpad 11e 3rd Gen
- Lenovo Thinkpad 11e 3rd Gen Firmware
- Lenovo Thinkpad 11e 4th Gen Celeron
- Lenovo Thinkpad 11e 4th Gen Celeron Firmware
- Lenovo Thinkpad 11e 4th Gen I3
- Lenovo Thinkpad 11e 4th Gen I3 Firmware
- Lenovo Thinkpad 11e 4th Gen I5
- Lenovo Thinkpad 11e 4th Gen I5 Firmware
- Lenovo Thinkpad 11e 4th Gen I7
- Lenovo Thinkpad 11e 4th Gen I7 Firmware
Weakness classification (CWE)
References
- support.lenovo.com/us/en/product_security/LEN-72619 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3843?
- CVE-2021-3843 is a medium-severity vulnerability in Lenovo Thinkpad 11e 3rd Gen, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2021-11-12.
- How severe is CVE-2021-3843?
- Medium severity. CVSS v3 base score is 6.7 out of 10.