CVE-2021-27406 PerFact OpenVPN-Client
A local attacker can send arbitrary configuration commands to the OpenVPN client backend, resulting in code execution with SYSTEM privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27406?
CVE-2021-27406 is a high-severity vulnerability in PerFact OpenVPN-Client, published on 14 Oct 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An attacker can take leverage on PerFact OpenVPN-Client versions 1.4.1.0 and prior to send the config command from any application running on the local host machine to force the back-end server into initializing a new open-VPN instance with arbitrary open-VPN configuration. This could result in the attacker achieving execution with privileges of a SYSTEM user.
Which versions are affected by CVE-2021-27406?
It affects 1 product.
Products include Perfact Openvpn-Client.
How do I fix CVE-2021-27406?
No fix has been published for CVE-2021-27406 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-27406 being exploited?
There is no known exploitation of CVE-2021-27406 in the wild and no public exploit code.
Sources
Also known as GHSA-qxvq-2x4g-3vm7.