CVE-2020-36894: Eibiz I-Media Server Digital Signage

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Eibiz i-Media Server Digital Signage 3.8.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to create admin users through AMF-encoded object manipulation. Attackers can send crafted serialized objects to the /messagebroker/amf endpoint to create administrative users without authentication, bypassing security controls.

Affected products

• Eibiz I-Media Server Digital Signage: version 3.8.0 only

Published 2025-12-10. Last modified 2026-06-17.