Vulnerability · Published Jul 10, 2025 · Assigned by VulnCheck
CVE-2025-34101Serviio Media Server Unauthenticated Command Injection via checkStreamUrl VIDEO Parameter
Critical 9.3
In plain English
A critical-severity OS command injection in Media Server from Serviio. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.4% (higher than 91% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit.
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Serviio | Media Server | 1.4 – through 1.8 |
Weakness: CWE-78, CWE-306, CWE-20 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5408.php third-party-advisory, exploit
- https://packetstorm.news/files/id/142387 exploit
- https://fortiguard.fortinet.com/encyclopedia/ips/44042 third-party-advisory
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/serviio_checkstreamurl_cmd_exec.rb exploit
- https://vulncheck.com/advisories/serviio-media-server-unauthenticated-command-injection third-party-advisory
- https://www.exploit-db.com/exploits/42023 exploit