Main Vulnerability Database Vulnerabilities #VU119244

#VU119244 Authorization bypass through user-controlled key in Japan Total System products - CVE-2025-61950

Published: December 8, 2025

Vulnerability identifier: #VU119244

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2025-61950

CWE-ID: CWE-639

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
GroupSession Free edition
GroupSession byCloud
GroupSession ZION

Software vendor:
Japan Total System

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to authorization bypass through user-controlled key. A remote user can alter the memo of Circular notice.

Install updates from vendor's website.