CVE-2020-36892

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.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - disclosure@vulncheck.com

Published

2025-12-10

Last modified

2026-10-01

Weaknesses

CWE-306

Affected products

• I-media Server Digital Signage (Eibiz)

References

• http://www.eibiz.co.th
• https://www.exploit-db.com/exploits/48774
• https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-privilege-escalation
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.php