{"id":"CVE-2020-36892","title":"Eibiz i-Media Server Digital Signage 3.8.0 Unauthenticated Privilege Escalation","summary":"Eibiz i-Media Server Digital Signage 3.8.0 contains an unauthenticated privilege escalation vulnerability in the updateUser object that allows attackers to modify user roles. Attackers can exploit the /messagebroker/amf endpoint to eleva…","severity":"critical","cvss":9.3,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-306"],"vendor":"EIBIZ Co.,Ltd.","product":"i-Media Server Digital Signage","affected":["i-media_server_digital_signage <= 3.8.0"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2025-12-11T16:02:39.599533Z"},"exploitAvailable":true,"published":"2025-12-10","updated":"2026-10-01","sourceUpdated":"2026-10-01T15:19:31.200Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2020-36892","references":[{"url":"https://www.exploit-db.com/exploits/48774","label":"ExploitDB-48774"},{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.php","label":"Vulnerability Advisory"},{"url":"http://www.eibiz.co.th","label":"Reference"},{"url":"https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-privilege-escalation","label":"VulnCheck Advisory: Eibiz i-Media Server Digital Signage 3.8.0 Unauthenticated Privilege Escalation"}],"tags":["cve.org","exploit-available"],"epss":0.01052,"epssPercentile":0.63076,"ingestedAt":"2026-10-01T15:48:17.879Z","slug":"CVE-2020-36892","body":"## Overview\n\nEibiz i-Media Server Digital Signage 3.8.0 contains an unauthenticated privilege escalation vulnerability in the updateUser object that allows attackers to modify user roles. Attackers can exploit the /messagebroker/amf endpoint to elevate privileges and take over user accounts by manipulating role settings without authentication.\n\n## Affected\n\n- `i-media_server_digital_signage <= 3.8.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":63,"depthScoreParts":{"impact":51.2,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[]}