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

CVE-2022-3746

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 to cause some peripherals to work abnormally due to an exposed Embedded Controller (EC) interface.

MEDIUM · CVSS 6.7 EPSS 0.00028
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-284Improper Access Control
▤

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

6.7
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:H/A:H
🔗

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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