What is CVE-2022-3742?

CVE-2022-3742 is a medium-severity vulnerability in Lenovo Ideapad 1 14iau7, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2023-08-23.

How severe is CVE-2022-3742?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Is CVE-2022-3742 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Lenovo Ideapad 1 14iau7

CVE-2022-3742

A potential vulnerability was discovered in LCFC BIOS for some Lenovo consumer notebook models that could allow a local attacker with elevated privileges to execute arbitrary code due to improper buffer validation.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (8.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

another1024/another1024

References

psirt@lenovo.com (Vendor Advisory)

Frequently asked questions

What is CVE-2022-3742?: CVE-2022-3742 is a medium-severity vulnerability in Lenovo Ideapad 1 14iau7, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2023-08-23.
How severe is CVE-2022-3742?: Medium severity. CVSS v3 base score is 6.7 out of 10.
Is CVE-2022-3742 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.