CVE-2020-36892CWE-306

Eibiz i-Media Server Digital Signage 3.8.0 Unauthenticated Privilege Escalation

Critical · published December 10, 2025

CVSS v4.0
9.3
EPSS
1%
Percentile
64.1
In the wild
Unconfirmed
What it is

🚨 A single request at the right endpoint lets attackers elevate privileges without breaking a sweat! This unauthenticated vulnerability in Eibiz i-Media Server 3.8.0 is like inviting a wolf into the sheep pen — absolutely critical! 🔥 Think of it like a hotel where the front desk accidentally gives anyone access to the master key. With that key, any guest can waltz into any room and change the reservations — all without even checking in! If exploited, attackers could elevate their privileges, allowing them to take full control of user accounts — including sensitive information and settings. This means they could modify roles and permissions at will, leading to data breaches and unauthorized actions within the system. The potential fallout is mind-blowingly severe!

Put simply

Think of it like a hotel where the front desk accidentally gives anyone access to the master key. With that key, any guest can waltz into any room and change the reservations — all without even checking in! This vulnerability exists in the updateUser object of the Eibiz i-Media Server, where the /messagebroker/amf endpoint fails to properly authenticate role modifications, allowing attackers to change user roles arbitrarily.

What to do

If exploited, attackers could elevate their privileges, allowing them to take full control of user accounts — including sensitive information and settings. This means they could modify roles and permissions at will, leading to data breaches and unauthorized actions within the system. The potential fallout is mind-blowingly severe! To protect your system, immediately upgrade to the latest version of the Eibiz i-Media Server. Additionally, implement strict access controls and regularly review user roles to ensure unauthorized changes cannot happen. Don't leave your door wide open! You've got this! By following these steps, you’ll lock down your system and keep those wolves out! 🛡️

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
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
EPSS
0.01052 · 64.1th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2025-12-10T20:52Z
EPSS history
Timeline
  • 10 DEC 20:52Z
    Eibiz i-Media Server Digital Signage 3.8.0 Unauthenticated Privilege Escalation
    cvelistv5