CVE-2021-3614 Privilege escalation in Notebook BIOS
An attacker with physical access can elevate privileges during a BIOS update via Lenovo Vantage on affected notebook systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-3614?
CVE-2021-3614 is a medium-severity vulnerability in Lenovo Notebook BIOS, published on 16 Jul 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A vulnerability was reported on some Lenovo Notebook systems that could allow an attacker with physical access to elevate privileges under certain conditions during a BIOS update performed by Lenovo Vantage.
Weakness: CWE-636
Which versions are affected by CVE-2021-3614?
It affects 21 products.
Products include Lenovo 100e 2nd Gen Firmware, Lenovo 300e 2nd Gen Firmware, Lenovo Ideapad 1-11ada05 Firmware, Lenovo Ideapad 1-11igl05 Firmware, Lenovo Ideapad 1-14ada05 Firmware, Lenovo Ideapad 1-14igl05 Firmware and 15 more.
How do I fix CVE-2021-3614?
No fix has been published for CVE-2021-3614 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-3614 being exploited?
There is no known exploitation of CVE-2021-3614 in the wild and no public exploit code.
Other vulnerabilities in Lenovo Notebook BIOS
Sources
Also known as GHSA-g8m2-gv7w-7c9h.