Open-xchange OX App Suite Information Disclosure Vulnerability (CNVD-2021-90763)

Open-xchange OX App Suite is a Web-based cloud desktop environment from Open-Xchange (Open-xchange), a US-based company. The environment allows users to more intuitively manage email, tasks, files, etc. An information disclosure vulnerability exists in Open-xchange OX App Suite, which could be exploited by attackers to obtain confidential non-public information related to live user sessions.