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CVE-2022-4574

MEDIUMCVSS 6.7/10EPSS 0.19%

Last modified

CVE-2022-4574 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.   . EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.  

Metrics

CVSS 3.1
6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.19%

8.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LenovoThinkpad X13 Yoga Gen 2 Firmware< 1.40
LenovoThinkpad X13 Yoga Gen 1 Firmware< 1.45
LenovoThinkpad X13 Gen 3 Firmware< 1.33
LenovoThinkpad X13 Gen 2 Firmware< 1.51
LenovoThinkpad X13 Firmware< 1.26
LenovoThinkpad X1 Yoga 7th Gen Firmware< 1.37
LenovoThinkpad X1 Yoga 6th Gen Firmware< 1.59
LenovoThinkpad X1 Yoga 5th Gen Firmware< 1.30
LenovoThinkpad X1 Yoga 4th Gen Firmware< 1.56
LenovoThinkpad X1 Titanium Firmware< 1.24
LenovoThinkpad X1 Nano Gen 2 Firmware< 1.18
LenovoThinkpad X1 Nano Gen 1 Firmware< 1.55
LenovoThinkpad X1 Fold Gen 1 FirmwareAll versions
LenovoThinkpad X1 Extreme Gen 5 Firmware< 1.16
LenovoThinkpad X1 Extreme 4th Gen Firmware< 1.22
LenovoThinkpad X1 Extreme 3rd Gen Firmware< 1.27
LenovoThinkpad X1 Carbon 9th Gen Firmware< 1.59
LenovoThinkpad X1 Carbon 8th Gen Firmware< 1.30
LenovoThinkpad X1 Carbon 7th Gen Firmware< 1.56
LenovoThinkpad X1 Carbon 10th Gen Firmware< 1.37
LenovoThinkpad T16 Gen 1 Firmware< 1.31
LenovoThinkpad T15p Gen 3 Firmware< 1.15
LenovoThinkpad T15p Gen 2 Firmware< 1.19
LenovoThinkpad T15p Gen 1 Firmware< 1.32
LenovoThinkpad T15g Gen 2 Firmware< 1.25
LenovoThinkpad T15g Gen 1 Firmware< 1.32
LenovoThinkpad T15 Gen 2 FirmwareAll versions
LenovoThinkpad T14s Gen 3 Firmware< 1.33
LenovoThinkpad T14s Gen 2 Firmware< 1.51
LenovoThinkpad T14s Firmware< 1.26
LenovoThinkpad T14 Gen 3 Firmware< 1.31
LenovoThinkpad T14 Gen 2 FirmwareAll versions
LenovoThinkpad T14 Gen 1 Firmware< 1.28
LenovoThinkpad P17 Gen 2 Firmware< 1.25
LenovoThinkpad P17 Gen 1 Firmware< 1.32
LenovoThinkpad P16s Gen 1 Firmware< 1.31
LenovoThinkpad P16 Gen 1 Firmware< 1.17
LenovoThinkpad P15v Gen 3 Firmware< 1.15
LenovoThinkpad P15v Gen 2 Firmware< 1.19
LenovoThinkpad P15v Gen 1 Firmware< 1.32
LenovoThinkpad P15s Gen 2 FirmwareAll versions
LenovoThinkpad P15s Gen 1 Firmware< 1.28
LenovoThinkpad P15 Gen 2 Firmware< 1.25
LenovoThinkpad P15 Gen 1 Firmware< 1.32
LenovoThinkpad P14s Gen 3 Firmware< 1.31
LenovoThinkpad P14s Gen 2 FirmwareAll versions
LenovoThinkpad P14s Gen 1 Firmware< 1.28
LenovoThinkpad P1 Gen 5 Firmware< 1.16
LenovoThinkpad P1 Gen 4 Firmware1.22
LenovoThinkpad P1 Gen 3 Firmware< 1.27

Showing 50 of 54 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

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 score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2022-4574?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-4574?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST