IBM Sametime Enterprise Meeting Server 8.5.2 and 9.0 could allow an authenticated user that has been invited to a Sametime meeting room, to cause the screen sharing to cease through the use of cross-site request forgery. IBM X-Force ID: 111895.
https://exchange.xforce.ibmcloud.com/vulnerabilities/111895
http://www.securitytracker.com/id/1039231