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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.40% probability · 34th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Source
- disclosure@vulncheck.com
EPSS 0.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.