CVE-2023-35841 WinFlash Driver Permissions Issue
Local attackers can exploit insufficient access control in the WinFlash driver to escalate privileges and modify system firmware.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-35841?
CVE-2023-35841 is a high-severity vulnerability in Phoenix WinFlash Driver, published on 14 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0.
Which versions are affected by CVE-2023-35841?
It affects 1 product.
Products include Phoenixtech Winflash.
How do I fix CVE-2023-35841?
No fix has been published for CVE-2023-35841 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-35841 being exploited?
There is no known exploitation of CVE-2023-35841 in the wild and no public exploit code.
Sources
Also known as GHSA-qhcp-3fxf-c8vc.