CVE-2020-36894
critical · 9.3Eibiz 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.
9.3
CVSS
0.8%
EPSS (exploit prob.)
55th
EPSS percentile
2025-12-10
Published
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
Weaknesses
CWE-306
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| eibiz | i-media_server_digital_signage | 3.8.0 |
Check a specific version with /api/v1/cve/match.
References
- http://www.eibiz.co.th
- https://www.exploit-db.com/exploits/48763
- https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-user-creation-vulnerability
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2020-36894