exchange/eas/EasAutoDiscover.java in the Autodiscover implementation in Exchange ActiveSync in Android 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-04-01 allows attackers to obtain sensitive information via a crafted application that triggers a spoofed response to a GET request, aka internal bug 26488455.