How severe is CVE-2022-3746?

CVE-2022-3746 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-3746 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-3746?

CVE-2022-3746 primarily affects Lenovo Ideapad 1 14iau7 Firmware. In total, 87 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-3746?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-3746 published?

CVE-2022-3746 was published on 2023-08-23 and last updated on 2026-06-17.

CVE-2022-3746

CVE-2022-3746 is a medium-severity vulnerability in Lenovo Ideapad 1 14iau7 Firmware with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Lenovo Ideapad 1 14iau7 Firmware
Published: 2023-08-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 to work abnormally due to an exposed Embedded Controller (EC) interface.
How severe is CVE-2022-3746?: CVE-2022-3746 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-3746 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-3746?: CVE-2022-3746 primarily affects Lenovo Ideapad 1 14iau7 Firmware. In total, 87 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-3746?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-3746 published?: CVE-2022-3746 was published on 2023-08-23 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/LEN-103710

Affected products (87)

cpe:2.3:o:lenovo:ideapad_1_14iau7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_1_14igl7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_1_15iau7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_1_15igl7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_1-14ijl7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_1-15ijl7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_3_14iau7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_3_15iau7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_3_17iau7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_3-15igl05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_3-17iil05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_3-17itl6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_5_15ial7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideapad_5-15itl05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:l3-15iml05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:l3-15itl6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5_15iah7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5_15iah7h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5_pro_16iah7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5_pro_16iah7h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5_pro-16ith6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5_pro-16ith6h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5-15imh05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5-15imh05h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5-15imh6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5-15ith6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5-15ith6h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5-17imh05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5-17imh05h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5-17ith6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5-17ith6h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5p-15imh05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_5p-15imh05h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_7_16iax7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_7-16ithg6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:s14_g2_itl_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:s14_g3_iap_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:slim_7_14iap7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:slim_7_carbon_13iap7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:slim_7_prox_14iah7_firmware:*:*:*:*:*:*:*:*

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