CVE-2025-34101 Serviio Media Server Unauthenticated Command Injection via checkStreamUrl VIDEO Parameter
Unauthenticated attackers can execute arbitrary commands on Serviio Media Server via the checkStreamUrl API endpoint.
- 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-2025-34101?
CVE-2025-34101 is a critical command injection vulnerability in Serviio Media Server, published on 10 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated command injection vulnerability exists in Serviio Media Server versions 1.4 through 1.8 on Windows, in the /rest/action API endpoint exposed by the console component (default port 23423). The checkStreamUrl method accepts a VIDEO parameter that is passed unsanitized to a call to cmd.exe, enabling arbitrary command execution under the privileges of the web server. No authentication is required to exploit this issue, as the REST API is exposed by default and lacks access controls.
Which versions are affected by CVE-2025-34101?
How do I fix CVE-2025-34101?
No fix has been published for CVE-2025-34101 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-2025-34101 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34101 exists.
Public exploit code: 1 Metasploit module.
Sources
Also known as GHSA-4q44-m9gw-jvmm.