CVE-2020-36894

Eibiz i-Media Server Digital Signage 3.8.0 Unauthenticated User Creation Vulnerability

CVSS 9.3 CRITICALEPSS 0.7%CWE-306

Vexday Risk Score

28Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 9.3EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

10 dez 2025Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

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

Produtos afetados

EIBIZ Co.,Ltd. · i-Media Server Digital Signage

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Referências

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 http://www.eibiz.co.th