CVE-2022-3744 Hardcoded credentials in Notebook
A local attacker with elevated privileges can unlock UEFI variables in Lenovo notebook BIOS due to hard-coded SMI handler credentials.
- 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-2022-3744?
CVE-2022-3744 is a medium-severity vulnerability in Lenovo Notebook, published on 23 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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 unlock UEFI variables due to a hard-coded SMI handler credential.
Weakness: CWE-798
Which versions are affected by CVE-2022-3744?
It affects 87 products.
Products include Lenovo Ideapad 1-14ijl7 Firmware, Lenovo Ideapad 1-15ijl7 Firmware, Lenovo Ideapad 1 14iau7 Firmware, Lenovo Ideapad 1 14igl7 Firmware, Lenovo Ideapad 1 15iau7 Firmware, Lenovo Ideapad 1 15igl7 Firmware and 81 more.
How do I fix CVE-2022-3744?
No fix has been published for CVE-2022-3744 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-3744 being exploited?
There is no known exploitation of CVE-2022-3744 in the wild and no public exploit code.
Other vulnerabilities in Lenovo Notebook
Sources
Also known as GHSA-fq4g-xqp9-9643.