CVE-2020-36892
Eibiz i-Media Server Digital Signage 3.8.0 Unauthenticated Privilege Escalation
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.
INFO
Published Date :
Dec. 10, 2025, 9:16 p.m.
Last Modified :
Dec. 17, 2025, 4:38 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update Eibiz i-Media Server to the latest version.
- Apply vendor-released security patches for version 3.8.0.
- Restrict access to the /messagebroker/amf endpoint.
- Review user role configurations for unauthorized changes.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-36892.
| URL | Resource |
|---|---|
| http://www.eibiz.co.th | Broken Link |
| https://www.exploit-db.com/exploits/48774 | Exploit Third Party Advisory VDB Entry |
| https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-privilege-escalation | Third Party Advisory |
| https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.php | Exploit Third Party Advisory |
| https://www.exploit-db.com/exploits/48774 | Exploit Third Party Advisory VDB Entry |
| https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.php | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-36892 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-36892
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-36892 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-36892 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Dec. 17, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:eibiz:i-media_server_digital_signage:3.8.0:*:*:*:*:*:*:* Added Reference Type VulnCheck: http://www.eibiz.co.th Types: Broken Link Added Reference Type CISA-ADP: https://www.exploit-db.com/exploits/48774 Types: Exploit, Third Party Advisory, VDB Entry Added Reference Type VulnCheck: https://www.exploit-db.com/exploits/48774 Types: Exploit, Third Party Advisory, VDB Entry Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-privilege-escalation Types: Third Party Advisory Added Reference Type CISA-ADP: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.php Types: Exploit, Third Party Advisory Added Reference Type VulnCheck: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.php Types: Exploit, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Dec. 11, 2025
Action Type Old Value New Value Added Reference https://www.exploit-db.com/exploits/48774 Added Reference https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.php -
New CVE Received by [email protected]
Dec. 10, 2025
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CWE CWE-306 Added Reference http://www.eibiz.co.th Added Reference https://www.exploit-db.com/exploits/48774 Added Reference https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-privilege-escalation Added Reference https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.php