Honeywell Tuxedo Touch before 5.2.19.0_VA relies on client-side authentication involving JavaScript, which allows remote attackers to bypass intended access restrictions by removing USERACCT requests from the client-server data stream.

Cross-site request forgery (CSRF) vulnerability in Honeywell Tuxedo Touch before 5.2.19.0_VA allows remote attackers to hijack the authentication of arbitrary users for requests associated with home-automation commands, as demonstrated by a door-unlock command.