CVE-2025-4424 SetupAutomationSmm : Arbitrary calls to SmmSetVariable with unsanitised arguments in SMI handler
Attackers can exploit unsanitized arguments in the SetupAutomationSmm SMI handler to execute arbitrary code or escalate privileges on Lenovo devices.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-4424?
CVE-2025-4424 is a medium-severity vulnerability in InsydeH2O, published on 30 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The vulnerability was identified in the code developed specifically for Lenovo. Please visit "Lenovo Product Security Advisories and Announcements" webpage for more information about the vulnerability. https://support.lenovo.com/us/en/product_security/home
Weakness: CWE-20
Which versions are affected by CVE-2025-4424?
How do I fix CVE-2025-4424?
No fix has been published for CVE-2025-4424 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-4424 being exploited?
There is no known exploitation of CVE-2025-4424 in the wild and no public exploit code.
Sources
Also known as GHSA-w6pc-r33w-5f59.