CVE-2020-36894

7.5 HIGH
Published: December 10, 2025 Modified: December 17, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.eibiz.co.th
Source: disclosure@vulncheck.com
Broken Link
https://www.exploit-db.com/exploits/48763
Source: disclosure@vulncheck.com
Exploit Third Party Advisory VDB Entry
https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-user-creation-vulnerability
Source: disclosure@vulncheck.com
Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php
Source: disclosure@vulncheck.com
Exploit Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Third Party Advisory

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.3%
51th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-306

Affected Vendors

eibiz

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