BaseFortify

Publication date: 2025-12-10

Last updated on: 2025-12-17

Assigner: VulnCheck

Description

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-12-10

Last Modified

2025-12-17

Generated

2026-07-06

AI Q&A

2025-12-10

EPSS Evaluated

2026-07-05

NVD

CVE-2020-36894

Affected Vendors & Products

Vendor	Product	Version / Range
eibiz	i-media_server_digital_signage	3.8.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This vulnerability in Eibiz i-Media Server Digital Signage 3.8.0 allows unauthenticated attackers to bypass authentication by manipulating AMF-encoded objects. Specifically, attackers can send crafted serialized objects to the /messagebroker/amf endpoint, enabling them to create administrative users without proper authentication, effectively bypassing security controls.

Impact Analysis

The vulnerability can have a severe impact as it allows attackers to gain administrative access without authentication. This unauthorized access can lead to full control over the affected system, potentially resulting in data breaches, unauthorized changes, and disruption of services.

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