CVE-2017-20220 Serviio PRO 1.8 Unauthenticated Password Change via REST API
Unauthenticated attackers can change the mediabrowser login password via the Configuration REST API, leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-20220?
CVE-2017-20220 is a high-severity missing authorization vulnerability in Serviio PRO, published on 15 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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 endpoints to modify credentials without authentication.
Weakness: CWE-306
Which versions are affected by CVE-2017-20220?
How do I fix CVE-2017-20220?
No fix has been published for CVE-2017-20220 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2017-20220 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20220 exists.
Sources
Also known as GHSA-92xm-h2vg-5w9x.