Vulnerability details
CVE-2017-20218
Serviio PRO
Serviio PRO 1.8 Local Privilege Escalation via Unquoted Path
CVSS 4.0
8.5High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.5High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | 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 |
| 7.8High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Serviio | Serviio PRO | 1.6.1 | CVEProject cvelistV5 (CNA) |
| Serviio | Serviio PRO | 1.7.0 | CVEProject cvelistV5 (CNA) |
| Serviio | Serviio PRO | 1.7.1 | CVEProject cvelistV5 (CNA) |
| Serviio | Serviio PRO | 1.8.0.0 PRO | CVEProject cvelistV5 (CNA) |
References and advisories
7- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5405.php third-party-advisory
- https://blogs.securiteam.com/index.php/archives/3094 third-party-advisory
- https://www.exploit-db.com/exploits/41959/ exploit
- https://packetstormsecurity.com/files/142384 exploit
- https://cxsecurity.com/issue/WLB-2017050019 third-party-advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/125644 vdb-entry
- https://www.vulncheck.com/advisories/serviio-pro-local-privilege-escalation-via-unquoted-path third-party-advisory
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Details
- Published
- 2026-03-15
- Last updated
- 2026-03-16
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.14%
Probability of exploitation in 30 days
3.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-428Unquoted Search Path or Element