Cybozu Garoon Access Control Error Vulnerability (CNVD-2022-54341)

Cybozu Garoon is a portal-based OA office system from Cybozu Japan. The system provides portal, E-mail, bookmarks, scheduling, bulletin board, document management, etc. An access control error vulnerability exists in Cybozu Garoon, which stems from improper access restrictions in bulletins. An attacker can use this vulnerability to bypass the implemented security restrictions and obtain the data of the bulletin.