{"id":"CVE-2020-36902","aliases":["EUVD-2020-30830","GHSA-j4gw-33j8-8f5j"],"status":"published","title":"UBICOD Medivision Digital Signage 1.5.1 Authorization Bypass via User Privileges","description":"UBICOD Medivision Digital Signage 1.5.1 contains an authorization bypass vulnerability that allows normal users to escalate privileges by manipulating the 'ft[grp]' parameter. Attackers can send a GET request to /html/user with 'ft[grp]' set to integer value '3' to gain super admin rights without authentication.","severity":{"version":"4.0","score":9.3,"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01137,"percentile":0.66785,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2025-12-10T21:05:41Z","modified":"2026-06-17T03:16:27Z","products":[{"vendor":"medivision","product":"medivision_digital_signage_firmware"},{"vendor":"ubicod co., ltd. | medivision inc.","product":"ubicod medivision digital signage"}],"references":[{"url":"https://www.exploit-db.com/exploits/48684","tags":["exploit","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.medivision.co.kr","tags":["product","Product"]},{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5575.php","tags":["vendor-advisory","exploit","Exploit","Third Party Advisory"]},{"url":"https://www.vulncheck.com/advisories/ubicod-medivision-digital-signage-authorization-bypass-via-user-privileges","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36902"},{"url":"https://github.com/advisories/GHSA-j4gw-33j8-8f5j"}],"sources":{"cve":[{"id":"CVE-2020-36902","title":"UBICOD Medivision Digital Signage 1.5.1 Authorization Bypass via User Privileges","description":"UBICOD Medivision Digital Signage 1.5.1 contains an authorization bypass vulnerability that allows normal users to escalate privileges by manipulating the 'ft[grp]' parameter. Attackers can send a GET request to /html/user with 'ft[grp]' set to integer value '3' to gain super admin rights without authentication.","status":"published","published":"2025-12-10T21:05:41.753Z","modified":"2025-12-11T18:52:29.859Z","cvss":[{"version":"4.0","score":9.3,"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","level":"critical","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:35:54.80237Z"}],"euvd":[{"id":"EUVD-2020-30830","description":"UBICOD Medivision Digital Signage 1.5.1 contains an authorization bypass vulnerability that allows normal users to escalate privileges by manipulating the 'ft[grp]' parameter. Attackers can send a GET request to /html/user with 'ft[grp]' set to integer value '3' to gain super admin rights without authentication.","status":"published","published":"2025-12-10T21:05:41Z","modified":"2025-12-11T18:52:29Z","cvss":[{"version":"4.0","score":9.3,"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","level":"critical"}],"updated_at":"2026-11-02T19:49:06.661228Z"}],"ghsa":[{"id":"GHSA-j4gw-33j8-8f5j","title":"UBICOD Medivision Digital Signage 1.5.1 contains an authorization bypass vulnerability that...","description":"UBICOD Medivision Digital Signage 1.5.1 contains an authorization bypass vulnerability that allows normal users to escalate privileges by manipulating the 'ft[grp]' parameter. Attackers can send a GET request to /html/user with 'ft[grp]' set to integer value '3' to gain super admin rights without authentication.","status":"published","published":"2025-12-10T21:31:37Z","modified":"2025-12-30T21:30:25Z","cvss":[{"version":"4.0","score":9.3,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:05:24.190619Z"}],"nvd":[{"id":"CVE-2020-36902","description":"UBICOD Medivision Digital Signage 1.5.1 contains an authorization bypass vulnerability that allows normal users to escalate privileges by manipulating the 'ft[grp]' parameter. Attackers can send a GET request to /html/user with 'ft[grp]' set to integer value '3' to gain super admin rights without authentication.","status":"published","published":"2025-12-10T21:16:03.037Z","modified":"2026-06-17T03:16:27.743Z","cvss":[{"version":"4.0","score":9.3,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:06:48.591569Z"}]}}