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/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lenovo | Thinkpad X13 Yoga Gen 2 Firmware | < 1.40 |
| Lenovo | Thinkpad X13 Yoga Gen 1 Firmware | < 1.45 |
| Lenovo | Thinkpad X13 Gen 3 Firmware | < 1.33 |
| Lenovo | Thinkpad X13 Gen 2 Firmware | < 1.51 |
| Lenovo | Thinkpad X13 Firmware | < 1.26 |
| Lenovo | Thinkpad X1 Yoga 7th Gen Firmware | < 1.37 |
| Lenovo | Thinkpad X1 Yoga 6th Gen Firmware | < 1.59 |
| Lenovo | Thinkpad X1 Yoga 5th Gen Firmware | < 1.30 |
| Lenovo | Thinkpad X1 Yoga 4th Gen Firmware | < 1.56 |
| Lenovo | Thinkpad X1 Titanium Firmware | < 1.24 |
| Lenovo | Thinkpad X1 Nano Gen 2 Firmware | < 1.18 |
| Lenovo | Thinkpad X1 Nano Gen 1 Firmware | < 1.55 |
| Lenovo | Thinkpad X1 Fold Gen 1 Firmware | All versions |
| Lenovo | Thinkpad X1 Extreme Gen 5 Firmware | < 1.16 |
| Lenovo | Thinkpad X1 Extreme 4th Gen Firmware | < 1.22 |
| Lenovo | Thinkpad X1 Extreme 3rd Gen Firmware | < 1.27 |
| Lenovo | Thinkpad X1 Carbon 9th Gen Firmware | < 1.59 |
| Lenovo | Thinkpad X1 Carbon 8th Gen Firmware | < 1.30 |
| Lenovo | Thinkpad X1 Carbon 7th Gen Firmware | < 1.56 |
| Lenovo | Thinkpad X1 Carbon 10th Gen Firmware | < 1.37 |
| Lenovo | Thinkpad T16 Gen 1 Firmware | < 1.31 |
| Lenovo | Thinkpad T15p Gen 3 Firmware | < 1.15 |
| Lenovo | Thinkpad T15p Gen 2 Firmware | < 1.19 |
| Lenovo | Thinkpad T15p Gen 1 Firmware | < 1.32 |
| Lenovo | Thinkpad T15g Gen 2 Firmware | < 1.25 |
| Lenovo | Thinkpad T15g Gen 1 Firmware | < 1.32 |
| Lenovo | Thinkpad T15 Gen 2 Firmware | All versions |
| Lenovo | Thinkpad T14s Gen 3 Firmware | < 1.33 |
| Lenovo | Thinkpad T14s Gen 2 Firmware | < 1.51 |
| Lenovo | Thinkpad T14s Firmware | < 1.26 |
| Lenovo | Thinkpad T14 Gen 3 Firmware | < 1.31 |
| Lenovo | Thinkpad T14 Gen 2 Firmware | All versions |
| Lenovo | Thinkpad T14 Gen 1 Firmware | < 1.28 |
| Lenovo | Thinkpad P17 Gen 2 Firmware | < 1.25 |
| Lenovo | Thinkpad P17 Gen 1 Firmware | < 1.32 |
| Lenovo | Thinkpad P16s Gen 1 Firmware | < 1.31 |
| Lenovo | Thinkpad P16 Gen 1 Firmware | < 1.17 |
| Lenovo | Thinkpad P15v Gen 3 Firmware | < 1.15 |
| Lenovo | Thinkpad P15v Gen 2 Firmware | < 1.19 |
| Lenovo | Thinkpad P15v Gen 1 Firmware | < 1.32 |
| Lenovo | Thinkpad P15s Gen 2 Firmware | All versions |
| Lenovo | Thinkpad P15s Gen 1 Firmware | < 1.28 |
| Lenovo | Thinkpad P15 Gen 2 Firmware | < 1.25 |
| Lenovo | Thinkpad P15 Gen 1 Firmware | < 1.32 |
| Lenovo | Thinkpad P14s Gen 3 Firmware | < 1.31 |
| Lenovo | Thinkpad P14s Gen 2 Firmware | All versions |
| Lenovo | Thinkpad P14s Gen 1 Firmware | < 1.28 |
| Lenovo | Thinkpad P1 Gen 5 Firmware | < 1.16 |
| Lenovo | Thinkpad P1 Gen 4 Firmware | 1.22 |
| Lenovo | Thinkpad P1 Gen 3 Firmware | < 1.27 |
Showing 50 of 54 affected configurations. See NVD for the full list.
References
- https://support.lenovo.com/us/en/product_security/LEN-106014Vendor Advisory
- https://support.lenovo.com/us/en/product_security/LEN-106014Vendor Advisory
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2022-4574?
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