CVE-2017-20218

8.5 highEPSS 0.1%

High (8.5). EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.5 high

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

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWE: CWE-428
Published: 2026-03-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://blogs.securiteam.com/index.php/archives/3094
https://cxsecurity.com/issue/WLB-2017050019
https://exchange.xforce.ibmcloud.com/vulnerabilities/125644
https://packetstormsecurity.com/files/142384
https://www.exploit-db.com/exploits/41959/

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