SecuriTricks - CVE-2020-36892

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.

Product(s) Impacted

Vendor	Product	Versions
Eibiz	I-media Server	3.8.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-306

Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	eibiz	i-media_server	3.8.0	/	/	/	/	/	/	/

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

CVSS Score

9.3 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: NONE
User Interaction: NONE
Scope:
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: Dec. 10, 2025, 9:16 p.m.
Last Modified: Dec. 10, 2025, 9:16 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

disclosure@vulncheck.com

CVE-2020-36892