Vulnerability in Serviio Pro
CVE-2017-20218
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (2.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Serviio Pro — versions 1.8.0.0 PRO, 1.6.1, 1.7.1
Weakness classification (CWE)
References
- www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5405.php (third-party-advisory)
- blogs.securiteam.com/index.php/archives/3094 (third-party-advisory)
- www.exploit-db.com/exploits/41959/ (exploit)
- packetstormsecurity.com/files/142384 (exploit)
- cxsecurity.com/issue/WLB-2017050019 (third-party-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/125644 (vdb-entry)
- www.vulncheck.com/advisories/serviio-pro-local-privilege-escalation-via-unquote… (third-party-advisory)
Frequently asked questions
- What is CVE-2017-20218?
- CVE-2017-20218 is a high-severity vulnerability in Serviio Pro, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-03-16.
- How severe is CVE-2017-20218?
- High severity. CVSS v3 base score is 7.8 out of 10.