{"id":"CVE-2020-36894","revision":"9e9ee1edcf3d4efa962edf546317dec0","records":[{"revision":"9e9ee1edcf3d4efa962edf546317dec0","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2020-36894","aliases":[],"title":"Eibiz i-Media Server Digital Signage 3.8.0 Unauthenticated User Creation Vulnerability","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.","state":0,"publishedAt":"2025-12-10T20:53:33.232+00:00","modifiedAt":"2026-10-01T15:19:32.494+00:00","affected":[{"ecosystem":"Vendor product","name":"i-Media Server Digital Signage","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"i-Media Server Digital Signage\",\n                    \"vendor\": \"EIBIZ Co.,Ltd.\",\n                    \"versions\": [\n                        {\n                            \"lessThanOrEqual\": \"3.8.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":9.3,"severity":"CRITICAL"}],"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"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2020-36894","license":"CVE Program Terms of Use","key":"cve-program:CVE-2020-36894","identifiers":["CVE-2020-36894"]},"retained":false,"historicalAffected":[]}],"coverage":[]}