CVE-2022-3744 json
A potential vulnerability was discovered in LCFC BIOS for some Lenovo consumer notebook models that could allow a local attacker with eleva…
published 2023-08-23 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-43100
- cvss
- 6.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 6%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- 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
- lenovo ideapad_3_17iau7_firmware jkcn34ww
- lenovo ideapad_3-15igl05_firmware dvcn28ww
- lenovo ideapad_3-17iil05_firmware emcn56ww
- lenovo ideapad_3-17itl6_firmware ggcn51ww
- lenovo ideapad_5_15ial7_firmware jbcn27ww
- lenovo ideapad_5-15itl05_firmware fhcn70ww
- lenovo l3-15iml05_firmware ejcn30ww
- lenovo l3-15itl6_firmware gfcn29ww
- lenovo legion_5_15iah7_firmware j2cn49ww
- lenovo legion_5_15iah7h_firmware j2cn49ww
- lenovo legion_5_pro_16iah7_firmware j2cn49ww
- lenovo legion_5_pro_16iah7h_firmware j2cn49ww
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Lenovo Notebook
Classification
- Weakness
-
- CWE-798 Use of Hard-coded Credentials
References
-
support.lenovo.com
/us/en/product_security/LEN-103710
vendor-advisory
Sources
- CVE List CVE-2022-3744
- NVD CVE-2022-3744
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