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CVE-2022-3744

MEDIUMCVSS 6.7/10EPSS 0.17%

Last modified

CVE-2022-3744 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.17%

6.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LenovoIdeapad 1 14iau7 Firmware< jkcn34ww
LenovoIdeapad 1 14igl7 Firmware< kkcn15ww
LenovoIdeapad 1 15iau7 Firmware< jkcn34ww
LenovoIdeapad 1 15igl7 Firmware< kkcn15ww
LenovoIdeapad 1-14ijl7 Firmware< htcn31ww
LenovoIdeapad 1-15ijl7 Firmware< htcn31ww
LenovoIdeapad 3 14iau7 Firmware< jkcn34ww
LenovoIdeapad 3 15iau7 Firmware< jkcn34ww
LenovoIdeapad 3 17iau7 Firmware< jkcn34ww
LenovoIdeapad 3-15igl05 Firmware< dvcn28ww
LenovoIdeapad 3-17iil05 Firmware< emcn56ww
LenovoIdeapad 3-17itl6 Firmware< ggcn51ww
LenovoIdeapad 5 15ial7 Firmware< jbcn27ww
LenovoIdeapad 5-15itl05 Firmware< fhcn70ww
LenovoL3-15iml05 Firmware< ejcn30ww
LenovoL3-15itl6 Firmware< gfcn29ww
LenovoLegion 5 15iah7 Firmware< j2cn49ww
LenovoLegion 5 15iah7h Firmware< j2cn49ww
LenovoLegion 5 Pro 16iah7 Firmware< j2cn49ww
LenovoLegion 5 Pro 16iah7h Firmware< j2cn49ww
LenovoLegion 5 Pro-16ith6 Firmware< h1cn52ww
LenovoLegion 5 Pro-16ith6h Firmware< h1cn52ww
LenovoLegion 5-15imh05 Firmware< efcn58ww
LenovoLegion 5-15imh05h Firmware< efcn58ww
LenovoLegion 5-15imh6 Firmware< g8cn22ww
LenovoLegion 5-15ith6 Firmware< h1cn52ww
LenovoLegion 5-15ith6h Firmware< h1cn52ww
LenovoLegion 5-17imh05 Firmware< efcn58ww
LenovoLegion 5-17imh05h Firmware< efcn58ww
LenovoLegion 5-17ith6 Firmware< h1cn52ww
LenovoLegion 5-17ith6h Firmware< h1cn52ww
LenovoLegion 5p-15imh05 Firmware< efcn58ww
LenovoLegion 5p-15imh05h Firmware< efcn58ww
LenovoLegion 7 16iax7 Firmware< k1cn40ww
LenovoLegion 7-16ithg6 Firmware< h1cn52ww
LenovoS14 G2 Itl Firmware< ggcn51ww
LenovoS14 G3 Iap Firmware< jkcn34ww
LenovoSlim 7 14iap7 Firmware< jhcn28ww
LenovoSlim 7 Carbon 13iap7 Firmware< k2cn34ww
LenovoSlim 7 Prox 14iah7 Firmware< hmcn41ww
LenovoSlim 9 14iap7 Firmware< j3cn49ww
LenovoThinkbook 15p Imh Firmware< f6cn26ww
LenovoV14 G2 Ijl Firmware< htcn31ww
LenovoV14 G3 Iap Firmware< jkcn34ww
LenovoV15 G2 Ijl Firmware< htcn31ww
LenovoV15 G3 Iap Firmware< jkcn34ww
LenovoV17 G3 Iap Firmware< jkcn34ww
LenovoS540-13itl Firmware< fzcn26ww
LenovoSlim 7 Pro-14ihu5 Firmware< fjcn74ww
LenovoSlim 9-14itl05 Firmware< escn56ww

Showing 50 of 87 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-3744?
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.
How severe is CVE-2022-3744?
CVE-2022-3744 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2022-3744?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3744?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST