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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.

PUBLISHED Reserved 2025-12-09 | Published 2025-12-10 | Updated 2025-12-11 | Assigner VulnCheck




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-862: Missing Authorization

Product status

Default status
unaffected

Firmware 1.5.1 (2013.01.3)
affected

Credits

LiquidWorm as Gjoko Krstic of Zero Science Lab finder

References

www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5575.php exploit

www.exploit-db.com/exploits/48684 (ExploitDB-48684) exploit

www.medivision.co.kr (UBICOD Co., Ltd. | MEDIVISION INC.) product

www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5575.php (Zero Security Advisory ZSL-2020-5575) vendor-advisory

www.vulncheck.com/...uthorization-bypass-via-user-privileges (VulnCheck Advisory: UBICOD Medivision Digital Signage 1.5.1 Authorization Bypass via User Privileges) third-party-advisory

cve.org (CVE-2020-36902)

nvd.nist.gov (CVE-2020-36902)

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