CVE-2020-36894

HIGH

Eibiz i-Media Server Digital Signage 3.8.0 - Auth Bypass

Title source: llm

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.

Exploits (1)

exploitdb WORKING POC

by LiquidWorm · textwebappshardware

https://www.exploit-db.com/exploits/48763

View Code ZIP pw:eip

References (4)

[Exploit, Third Party Advisory, VDB Entry] https://www.exploit-db.com/exploits/48763

[Exploit, Third Party Advisory] https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php

[Broken Link] http://www.eibiz.co.th

[Third Party Advisory] https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-user-creation-vulnerability

Scores

CVSS v3 7.5

EPSS 0.0068

EPSS Percentile 71.6%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact total

Details

CWE

CWE-306

Status published

Products (2)

eibiz/i-media_server_digital_signage 3.8.0

EIBIZ Co.,Ltd./i-Media Server Digital Signage < 3.8.0

Published Dec 10, 2025

Tracked Since Feb 18, 2026