How severe is CVE-2022-4574?

CVE-2022-4574 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-2022-4574 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4574?

CVE-2022-4574 primarily affects Lenovo Thinkpad X13 Yoga Gen 2 Firmware. In total, 54 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-4574?

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

When was CVE-2022-4574 published?

CVE-2022-4574 was published on 2023-10-30 and last updated on 2026-06-17.

CVE-2022-4574

CVE-2022-4574 is a medium-severity vulnerability in Lenovo Thinkpad X13 Yoga Gen 2 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Lenovo Thinkpad X13 Yoga Gen 2 Firmware
Published: 2023-10-30
Last modified: 2026-06-17

Description

An SMI handler input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code.

Frequently asked questions

What is CVE-2022-4574?: An SMI handler input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code.
How severe is CVE-2022-4574?: CVE-2022-4574 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-2022-4574 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4574?: CVE-2022-4574 primarily affects Lenovo Thinkpad X13 Yoga Gen 2 Firmware. In total, 54 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-4574?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4574 published?: CVE-2022-4574 was published on 2023-10-30 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/LEN-106014

Affected products (54)

cpe:2.3:o:lenovo:thinkpad_x13_yoga_gen_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x13_yoga_gen_1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x13_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x13_gen_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x13_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_yoga_7th_gen_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_yoga_6th_gen_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_yoga_5th_gen_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_yoga_4th_gen_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_titanium_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_nano_gen_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_nano_gen_1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_fold_gen_1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_extreme_gen_5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_extreme_4th_gen_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_extreme_3rd_gen_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_carbon_9th_gen_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_carbon_8th_gen_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_carbon_7th_gen_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_x1_carbon_10th_gen_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t16_gen_1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t15p_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t15p_gen_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t15p_gen_1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t15g_gen_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t15g_gen_1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t15_gen_2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t14s_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t14s_gen_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t14s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t14_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t14_gen_2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t14_gen_1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p17_gen_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p17_gen_1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p16s_gen_1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p16_gen_1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p15v_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p15v_gen_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p15v_gen_1_firmware:*:*:*:*:*:*:*:*

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