Critical severity · published Dec 10, 2025
CVE-2020-36902
UBICOD Medivision Digital Signage 1.5.1 Authorization Bypass via User Privileges
9.8
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UM
UBICOD Medivision Digital Signage · UBICOD Co., Ltd. | MEDIVISION INC.
Firmware 1.5.1 (2013.01.3) · source: vendor
MD
Medivision Digital Signage Firmware · Medivision
1.5.1 · source: NVD
Affected product
UM
UBICOD Medivision Digital Signage
UBICOD Co., Ltd. | MEDIVISION INC.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36902
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36902
Product
http://www.medivision.co.kr
Exploit
https://www.exploit-db.com/exploits/48684
Third Party Advisory
https://www.vulncheck.com/advisories/ubicod-medivision-digital-signage-authorization-bypass-via-user-privileges
Exploit
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5575.php
More from UBICOD Medivision Digital Signage
8.8
CVE-2020-36901
UBICOD Medivision Digital Signage 1.5.1 Cross-Site Request Forgery via User Management