Eibiz i-Media Server Digital Signage 3.8.0 Unauthenticated User Creation Vulnerability
Priority HIGH 81CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00798 56th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| EIBIZ Co.,Ltd. | i-Media Server Digital Signage | up to 3.8.0 | — | No fix listed | CNA |
- i-Media Server Digital Signage VendorEIBIZ Co.,Ltd. Affected up to 3.8.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:eibiz:i-media_server_digital_signage:3.8.0:*:*:*:*:*:*:* | 3.8.0 | Vulnerable | EIBIZ Co.,Ltd. |
- cpe:2.3:a:eibiz:i-media_server_digital_signage:3.8.0:*:*:*:*:*:*:* Versions 3.8.0 Vulnerable ·EIBIZ Co.,Ltd.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36894
- 2026-10-03 Alias added: GHSA-7jj4-vc4f-6gq7
References
Other 1
More EIBIZ Co.,Ltd. I-media Server Digital Signage vulnerabilities
- TI-2020-19027 Eibiz i-Media Server Digital Signage 3.8.0 Unauthenticated Privilege Escalation CVSS 4.0CRITICAL 9.3
- TI-2020-19030 EIBIZ i-Media Server Digital Signage 3.8.0 Unauthenticated Configuration Disclosure CVSS 4.0HIGH 8.7
- TI-2020-19028 Eibiz i-Media Server Digital Signage 3.8.0 Directory Traversal Vulnerability CVSS 4.0HIGH 8.7
Sources
- CVE-2020-36894 · CVE Program
- CVE-2020-36894 · NVD
- FIRST EPSS
- GHSA-7jj4-vc4f-6gq7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences