CVE-2022-3744

MEDIUM
6.7
CVSS Score
Published: August 23, 2023 at 07:43 PM UTC
Updated: June 17, 2026 at 05:00 AM UTC
175 products affected across 1 vendorLegion 5-15ith6 FirmwareIdeapad Gaming 3-15imh05 FirmwareLegion 5-15ith6h Firmware

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.2%

Description

A potential vulnerability was discovered in LCFC BIOS for some Lenovo consumer notebook models that could allow a local attacker with elevated privileges to unlock UEFI variables due to a hard-coded SMI handler credential.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < jkcn34ww
Affected range stops below jkcn34ww, so it looks safe — our inference, not a vendor statement
lenovo-ideapad-1-14iau7 (same device)
v < kkcn15ww
Affected range stops below kkcn15ww, so it looks safe — our inference, not a vendor statement
lenovo-ideapad-1-14igl7 (same device)
v < htcn31ww
Affected range stops below htcn31ww, so it looks safe — our inference, not a vendor statement
lenovo-ideapad-1-14ijl7 (same device)
v < jkcn34ww
Affected range stops below jkcn34ww, so it looks safe — our inference, not a vendor statement
lenovo-ideapad-1-15iau7 (same device)
v < kkcn15ww
Affected range stops below kkcn15ww, so it looks safe — our inference, not a vendor statement
lenovo-ideapad-1-15igl7 (same device)
v < htcn31ww
Affected range stops below htcn31ww, so it looks safe — our inference, not a vendor statement
lenovo-ideapad-1-15ijl7 (same device)
v < jkcn34ww
Affected range stops below jkcn34ww, so it looks safe — our inference, not a vendor statement
lenovo-ideapad-3-14iau7 (same device)
v < dvcn28ww
Affected range stops below dvcn28ww, so it looks safe — our inference, not a vendor statement
lenovo-ideapad-3-14igl05 (same device)
v < emcn56ww
Affected range stops below emcn56ww, so it looks safe — our inference, not a vendor statement
lenovo-ideapad-3-14iil05 (same device)
v < dxcn44ww
Affected range stops below dxcn44ww, so it looks safe — our inference, not a vendor statement
lenovo-ideapad-3-14iml05 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

6.7MEDIUMlenovo
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-798

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