EMC Documentum D2 contains fix for authentication bypass that could potentially be exploited by malicious users to compromise the affected system. By exploiting this vulnerability, remote unauthenticated users could download any document from the Docbase by knowing only the r_object_id of that document. Affected includes EMC Documentum D2 versions 4.5 earlier than patch 15 and EMC Documentum D2 versions 4.6 earlier than patch 03.