CVE-2017-20218
Serviio PRO 1.8 Local Privilege Escalation via Unquoted Path
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
15 Mar 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
Serviio PRO 1.8 contains an unquoted search path vulnerability in the Windows service that allows local users to execute arbitrary code with elevated privileges by placing malicious executables in the system root path. Additionally, improper directory permissions with full access for the Users group allow authenticated users to replace the executable file with arbitrary binaries, enabling privilege escalation during service startup or system reboot.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Serviio · Serviio PROWant to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
https://blogs.securiteam.com/index.php/archives/3094https://cxsecurity.com/issue/WLB-2017050019https://exchange.xforce.ibmcloud.com/vulnerabilities/125644https://packetstormsecurity.com/files/142384https://www.exploit-db.com/exploits/41959/https://www.vulncheck.com/advisories/serviio-pro-local-privilege-escalation-via-unquoted-pathhttps://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5405.php