CVE-2020-36894

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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
http://www.eibiz.co.th	Broken Link
https://www.exploit-db.com/exploits/48763	Exploit Third Party Advisory VDB Entry
https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-user-creation-vulnerability	Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php	Exploit Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:eibiz:i-media_server_digital_signage:3.8.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-12-10 21:16

Updated : 2025-12-17 19:25

NVD link : CVE-2020-36894

Mitre link : CVE-2020-36894

CVE.ORG link : CVE-2020-36894

JSON object : View

Products Affected

eibiz

i-media_server_digital_signage

CWE

CWE-306

Missing Authentication for Critical Function

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