CVE-2020-36902 CRITICAL

CVE-2020-36902: UBICOD Medivision Digital Signage 1.5.1 Authorization Bypass via User Privileges

Vendor Ubicod Co., Ltd. | Medivision Inc.
Product UBICOD Medivision Digital Signage
Weakness CWE-862 · Missing authorization
Published December 10, 2025
Last update December 11, 2025

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 10, 2025 CVE published
December 11, 2025 Record updated

Related vulnerabilities

04Related CVE