CVE-2025-8421 Privilege escalation in Dock Manager
An authenticated local user can redirect log files with elevated privileges due to improper default permissions in Lenovo Dock Manager.
- 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-2025-8421?
CVE-2025-8421 is a medium-severity vulnerability in Lenovo Dock Manager, published on 12 Nov 2025. 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
An improper default permission vulnerability was reported in Lenovo Dock Manager that, under certain conditions during installation, could allow an authenticated local user to redirect log files with elevated privileges.
Weakness: CWE-276
Which versions are affected by CVE-2025-8421?
How do I fix CVE-2025-8421?
No fix has been published for CVE-2025-8421 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-8421 being exploited?
There is no known exploitation of CVE-2025-8421 in the wild and no public exploit code.
Sources
Also known as GHSA-579w-6rqj-43gc.