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.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-306 Missing Authentication

Affected Products

Vendor	Product	Versions
eibiz	i-media_server_digital_signage	All

References

Exploits

https://www.exploit-db.com/exploits/48774 https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.php https://www.exploit-db.com/exploits/48774 https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.php

Other References

http://www.eibiz.co.th https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-privilege-escalation

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2020-36892? +

CVE-2020-36892 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2020-36892? +

CVE-2020-36892 affects products from eibiz, specifically: i-media_server_digital_signage. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2020-36892? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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