VULNERABILITY INTELLIGENCE

CVE-2020-36894

CVSS score7.5 HIGH

EPSS probability0.80%

CISA KEVNot currently listed

Published2025-12-10

Last modified2026-06-17

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

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.

Weakness classification

disclosure@vulncheck.com: CWE-306

Primary references

disclosure@vulncheck.com — Broken Link
disclosure@vulncheck.com — Exploit, Third Party Advisory, VDB Entry
disclosure@vulncheck.com — Third Party Advisory
disclosure@vulncheck.com — Exploit, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Exploit, Third Party Advisory