CVEvulnerability
CVE-2020-36894
9.3 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2025-12-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 9.3 CRITICAL — 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
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-306
Description
Eibiz i-Media Server Digital Signage 3.8.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to create admin users through AMF-encoded object manipulation. Attackers can send crafted serialized objects to the /messagebroker/amf endpoint to create administrative users without authentication, bypassing security controls.
Affected configurations
• eibiz i-media server digital signage 3.8.0
Related
Weakness · CWE (1)
- CWE-306 Missing Authentication for Critical Functionality weakness
References
- http://www.eibiz.co.th Broken Link
- https://www.exploit-db.com/exploits/48763 Exploit, Third Party Advisory, VDB Entry
- https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-user-creation-vulnerability Third Party Advisory
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php Exploit, Third Party Advisory
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php Exploit, Third Party Advisory