CVE-2017-20218
HIGHDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Low risk: more likely to be exploited than 4% of all known CVEs.
References
Related Vulnerabilities
Other CWE-428 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2023-38408 | Critical | 9.8 | 80% | - | Fix |
| CVE-2020-15261 | High | 8.0 | 11% | - | Fix |
| CVE-2017-13993 | High | 7.8 | 2.6% | - | - |
| CVE-2018-10619 | High | 7.8 | 2.6% | - | Fix |
| CVE-2019-17658 | Critical | 9.8 | 2.2% | - | - |
| CVE-2015-4173 | Medium | 6.9 | 2.1% | - | Fix |
Common questions
How do I fix CVE-2017-20218?
No published fix for CVE-2017-20218 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2017-20218 being actively exploited?
Not that we know of. CVE-2017-20218 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.14% is the estimated probability that it will be exploited in the next 30 days. That is higher than 4% of all scored CVEs.
How severe is CVE-2017-20218?
CVE-2017-20218 has a CVSS v3 base score of 7.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-15.