CVE-2022-4978 Steppschuh Remote Control Server 3.1.1.12 Unauthenticated RCE
Unauthenticated attackers can execute arbitrary commands via UDP keystroke injection in the default configuration, leading to full system compromise.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-4978?
CVE-2022-4978 is a critical command injection vulnerability in Steppschuh Remote Control Collection Server, published on 23 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Remote Control Server, maintained by Steppschuh, 3.1.1.12 allows unauthenticated remote code execution when authentication is disabled, which is the default configuration. The server exposes a custom UDP-based control protocol that accepts remote keyboard input events without verification. An attacker on the same network can issue a sequence of keystroke commands to launch a system shell and execute arbitrary commands, resulting in full system compromise.
Which versions are affected by CVE-2022-4978?
How do I fix CVE-2022-4978?
No fix has been published for CVE-2022-4978 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2022-4978 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4978 exists.
Public exploit code: 1 Metasploit module.
Sources
Also known as GHSA-v8p8-2685-3cvr.