CVE-2022-3746

mediumpriority · track · 27EPSS 0.002 · 6 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.17% (6th) EPSS

CVSS 6.7 · medium

Is it mine?

88 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.8 · impact 5.9

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@lenovo.comexploitability 0.8 · impact 5.9

v3.16.1mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284US

affected products (88)

Products and version ranges known to be affected.

Lenovo notebookall versionsenisa_euvdEU
lenovo ideapad 1 14iau7 firmware< jkcn34wwnvdUScpe:2.3:o:lenovo:ideapad_1_14iau7_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 1 14igl7 firmware< kkcn15wwnvdUScpe:2.3:o:lenovo:ideapad_1_14igl7_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 1 15iau7 firmware< jkcn34wwnvdUScpe:2.3:o:lenovo:ideapad_1_15iau7_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 1 15igl7 firmware< kkcn15wwnvdUScpe:2.3:o:lenovo:ideapad_1_15igl7_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 1-14ijl7 firmware< htcn31wwnvdUScpe:2.3:o:lenovo:ideapad_1-14ijl7_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 1-15ijl7 firmware< htcn31wwnvdUScpe:2.3:o:lenovo:ideapad_1-15ijl7_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3 14iau7 firmware< jkcn34wwnvdUScpe:2.3:o:lenovo:ideapad_3_14iau7_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3 15iau7 firmware< jkcn34wwnvdUScpe:2.3:o:lenovo:ideapad_3_15iau7_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3 17iau7 firmware< jkcn34wwnvdUScpe:2.3:o:lenovo:ideapad_3_17iau7_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3-14igl05 firmware< dvcn28wwnvdUScpe:2.3:o:lenovo:ideapad_3-14igl05_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3-14iil05 firmware< emcn56wwnvdUScpe:2.3:o:lenovo:ideapad_3-14iil05_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3-14iml05 firmware< dxcn44wwnvdUScpe:2.3:o:lenovo:ideapad_3-14iml05_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3-14itl05 firmware< gccn32wwnvdUScpe:2.3:o:lenovo:ideapad_3-14itl05_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3-14itl6 firmware< ggcn51wwnvdUScpe:2.3:o:lenovo:ideapad_3-14itl6_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3-15igl05 firmware< dvcn28wwnvdUScpe:2.3:o:lenovo:ideapad_3-15igl05_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3-15iil05 firmware< emcn56wwnvdUScpe:2.3:o:lenovo:ideapad_3-15iil05_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3-15iml05 firmware< dxcn44wwnvdUScpe:2.3:o:lenovo:ideapad_3-15iml05_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3-15itl05 firmware< gccn32wwnvdUScpe:2.3:o:lenovo:ideapad_3-15itl05_firmware:*:*:*:*:*:*:*:*
lenovo ideapad 3-15itl6 firmware< ggcn51wwnvdUScpe:2.3:o:lenovo:ideapad_3-15itl6_firmware:*:*:*:*:*:*:*:*

showing 20 of 88

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2023-08-23modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

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