What’s Vulnerable › Vulnerabilities

CVE-2017-20220: Serviio PRO 1.8 Unauthenticated Password Change via REST API

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-16 · updated 2026-06-17
• Weakness: CWE-306

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.

Affected products

• Serviio PRO: 1.8.0.0 PRO, 1.7.1, 1.7.0, 1.6.1

References

• http://www.securitylab.ru/poc/486047.php
• https://blogs.securiteam.com/index.php/archives/3094
• https://cxsecurity.com/issue/WLB-2017050025
• https://exchange.xforce.ibmcloud.com/vulnerabilities/125645
• https://packetstormsecurity.com/files/142386
• https://www.exploit-db.com/exploits/41960/
• https://www.vulncheck.com/advisories/serviio-pro-unauthenticated-password-change-via-rest-api
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5407.php

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