Home/CVE/A potential vulnerability was discovered in LCFC BIOS for some Lenovo consumer notebook models that could allow a local
CVE

CVE-2022-3743

A potential vulnerability was discovered in LCFC BIOS for some Lenovo consumer notebook models that could allow a local

A potential vulnerability was discovered in LCFC BIOS for some Lenovo consumer notebook models that could allow a local attacker with elevated privileges under certain conditions the ability to enumerate Embedded Controller (EC) commands.

MEDIUM · CVSS 4.4 EPSS 0.00033
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

60
lenovo ideapad 1 14iau7 firmware< jkcn34ww
lenovo ideapad 1 14igl7 firmware< kkcn15ww
lenovo ideapad 1 15iau7 firmware< jkcn34ww
lenovo ideapad 1 15igl7 firmware< kkcn15ww
lenovo ideapad 1-14ijl7 firmware< htcn31ww
lenovo ideapad 1-15ijl7 firmware< htcn31ww
lenovo ideapad 3 14iau7 firmware< jkcn34ww
lenovo ideapad 3 15iau7 firmware< jkcn34ww
▣

Scoring & Timeline

4.4
MEDIUM · CVSS v3.1 · psirt@lenovo.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Aug 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.lenovo.com/us/en/product_security/LEN-103710Vendor Advisory
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