Auth bypass in Serviio Pro
CVE-2017-20220
Serviio PRO 1.8 contains an improper access control vulnerability in the Configuration REST API that allows unauthenticated attackers to change the mediabrowser login password. Attackers can send specially crafted requests to the REST API…
Vulnerability class: Broken Authentication
EPSS: 0.002 (48.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Serviio Pro — versions 1.8.0.0 PRO, 1.6.1, 1.7.1
Weakness classification (CWE)
References
- Zero Science Lab Disclosure (third-party-advisory)
- SecuriTeam Blogs (third-party-advisory)
- Exploit-DB (exploit)
- Packet Storm Security (exploit)
- CXSecurity (third-party-advisory)
- SecurityLab (third-party-advisory)
- IBM X-Force Exchange (vdb-entry)
- VulnCheck Advisory: Serviio PRO 1.8 Unauthenticated Password Change via REST API (third-party-advisory)
Frequently asked questions
- What is CVE-2017-20220?
- CVE-2017-20220 is a high-severity vulnerability in Serviio Pro, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-03-15.
- How severe is CVE-2017-20220?
- High severity. CVSS v3 base score is 7.5 out of 10.