Medium severity · published Aug 23, 2023
CVE-2022-3746
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…
6.7
CVSS
0.2%
EPSS
No
On KEV
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 cause some peripherals to work abnormally due to an exposed Embedded Controller (EC) interface.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
I1
Ideapad 1 14iau7 Firmware · Lenovo
before jkcn34ww · source: NVD
I1
Ideapad 1 14igl7 Firmware · Lenovo
before kkcn15ww · source: NVD
I1
Ideapad 1 15iau7 Firmware · Lenovo
before jkcn34ww · source: NVD
I1
Ideapad 1 15igl7 Firmware · Lenovo
before kkcn15ww · source: NVD
I1
Ideapad 1-14ijl7 Firmware · Lenovo
before htcn31ww · source: NVD
I1
Ideapad 1-15ijl7 Firmware · Lenovo
before htcn31ww · source: NVD
I3
Ideapad 3 14iau7 Firmware · Lenovo
before jkcn34ww · source: NVD
I3
Ideapad 3 15iau7 Firmware · Lenovo
before jkcn34ww · source: NVD
I3
Ideapad 3 17iau7 Firmware · Lenovo
before jkcn34ww · source: NVD
I3
Ideapad 3-15igl05 Firmware · Lenovo
before dvcn28ww · source: NVD
I3
Ideapad 3-17iil05 Firmware · Lenovo
before emcn56ww · source: NVD
I3
Ideapad 3-17itl6 Firmware · Lenovo
before ggcn51ww · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-3746
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-3746
Vendor Advisory
https://support.lenovo.com/us/en/product_security/LEN-103710
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