The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to determine which meeting rooms are owned by a user by leveraging knowledge of valid user names.
The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to cause a denial of service (room unusability) by generating a large number of fictitious users to enter a meeting room.
The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to download avatar photos of arbitrary users via unspecified vectors.
Cross-site scripting (XSS) vulnerability in the Web Application in the Classic Meeting Server in IBM Sametime 7.5.1.2 through 8.5.2.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.