CVE-2017-20220 PUBLISHED

Serviio PRO 1.8 Unauthenticated Password Change via REST API

Assigner: VulnCheck
Reserved: 15.03.2026 Published: 15.03.2026 Updated: 16.03.2026

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.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Serviio
Product	Serviio PRO
Versions	Version 1.8.0.0 PRO is affected Version 1.7.1 is affected Version 1.7.0 is affected Version 1.6.1 is affected

CVE-2017-20220 PUBLISHED

Serviio PRO 1.8 Unauthenticated Password Change via REST API

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Problem Types