Advisories

EIBIZ i-Media Server Digital Signage 3.8.0 Unauthenticated Privilege Escalation

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severity
critical
date
Affecting
  • i-Media Server Digital Signage <= 3.8.0

CWE
  • CWE-306 Missing Authentication for Critical Function
CVSS
9.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
LiquidWorm as Gjoko Krstic of Zero Science Lab
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.

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