CVE-2020-36894

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

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

17 Dec 2025, 19:25

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CPE cpe:2.3:a:eibiz:i-media_server_digital_signage:3.8.0:*:*:*:*:*:*:*
First Time Eibiz
Eibiz i-media Server Digital Signage
References () http://www.eibiz.co.th - () http://www.eibiz.co.th - Broken Link
References () https://www.exploit-db.com/exploits/48763 - () https://www.exploit-db.com/exploits/48763 - Exploit, Third Party Advisory, VDB Entry
References () https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-user-creation-vulnerability - () https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-user-creation-vulnerability - Third Party Advisory
References () https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php - () https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php - Exploit, Third Party Advisory

11 Dec 2025, 19:15

Type Values Removed Values Added
References () https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php - () https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php -

10 Dec 2025, 21:16

Type Values Removed Values Added
New CVE
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