CVE-2020-36894

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.

Affected Software

Weaknesses

• CWE-306: CWE-306 Missing Authentication for Critical Function

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: total

Additional References

• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php

References

• https://www.exploit-db.com/exploits/48763
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php
• http://www.eibiz.co.th
• https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-user-creation-vulnerability

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