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.

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Solution

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Workaround

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History

Mon, 16 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 16 Mar 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Serviio
Serviio serviio Pro
Vendors & Products Serviio
Serviio serviio Pro

Sun, 15 Mar 2026 19:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Serviio PRO 1.8 Local Privilege Escalation via Unquoted Path
Weaknesses CWE-428
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-03-16T14:20:17.881Z

Reserved: 2026-03-15T17:44:18.599Z

Link: CVE-2017-20218

cve-icon Vulnrichment

Updated: 2026-03-16T14:17:15.398Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-16T14:17:51.317

Modified: 2026-03-16T14:53:46.157

Link: CVE-2017-20218

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-16T09:21:03Z

Weaknesses