Open redirect vulnerability in Microsoft Forefront Unified Access Gateway (UAG) 2010 SP1 and SP1 Update 1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted URL, aka "UAG Blind HTTP Redirect Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15476
https://exchange.xforce.ibmcloud.com/vulnerabilities/74367
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-026
http://www.securitytracker.com/id?1026909
http://www.securityfocus.com/bid/52903