CVE-2020-36892

CRITICAL

Eibiz i-Media Server Digital Signage 3.8.0 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-36892. PoCs published by LiquidWorm.

AI-analyzed exploit summary This exploit targets Eibiz i-Media Server Digital Signage 3.8.0, leveraging an unauthenticated privilege escalation vulnerability via AMF deserialization to elevate a user's role to Administrator or take over an existing account.

Description

Eibiz i-Media Server Digital Signage 3.8.0 contains an unauthenticated privilege escalation vulnerability in the updateUser object that allows attackers to modify user roles. Attackers can exploit the /messagebroker/amf endpoint to elevate privileges and take over user accounts by manipulating role settings without authentication.

Exploits (1)

exploitdb WORKING POC
by LiquidWorm · pythonwebappshardware
https://www.exploit-db.com/exploits/48774

This exploit targets Eibiz i-Media Server Digital Signage 3.8.0, leveraging an unauthenticated privilege escalation vulnerability via AMF deserialization to elevate a user's role to Administrator or take over an existing account.

Classification
Working Poc 95%
Attack Type
Deserialization
Complexity
Moderate
Reliability
Reliable
Target: Eibiz i-Media Server Digital Signage <= 3.8.0
No auth needed
Prerequisites: Network access to the target server · BlazeDS/AMF endpoint exposed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory, VDB Entry exploit
https://www.exploit-db.com/exploits/48774
Exploit, Third Party Advisory vendor-advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.php
Broken Link technical-description
http://www.eibiz.co.th

Scores

CVSS v3 9.8
EPSS 0.0092
EPSS Percentile 55.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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