Improper validation input was found in Microsoft System Center. By exploiting this vulnerability malicious users can gain privileges. This vulnerability can be exploited remotely via a specially designed website.

System Center 2012 Operations Manager
System Center 2012 Operations Manager Service Pack 1
System Center 2012 Operations Manager R2

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

CVE-2015-2420

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