CVE-2015-1771
Cross-site request forgery (CSRF) vulnerability in the web applications in Microsoft Exchange Server 2013 SP1 and Cumulative Update 8 allows remote attackers to hijack the authentication of arbitrary users, aka "Exchange Cross-Site Request Forgery Vulnerability."
Date published : 2015-06-09
http://www.securityfocus.com/bid/75011
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-064