------------------------------------------------------------------------ Authentication bypass in Kaseya VSA ------------------------------------------------------------------------ Kin Hung Cheng, Robert Hartshorn, May 2017 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ A security vulnerability was found in Kaseya VSA that allows users to view remote computers that they are not authorised to view. Using this vulnerability a user that is authenticated to view at least one remote computer can view ever machines in the Kaseya application. ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ This issue was successfully tested on version R9.2 ------------------------------------------------------------------------ Fix ------------------------------------------------------------------------ Patch to the latest version of VSA. ------------------------------------------------------------------------ Details ------------------------------------------------------------------------ https://www.securify.nl/advisory/SFY20170504/authentication-bypass-in-kaseya-vsa.html
