Network Policy Server (NPS) in Microsoft Windows Server 2008 SP2 and R2 SP1 and Server 2012 Gold and R2 misparses username queries, which allows remote attackers to cause a denial of service (RADIUS authentication outage) via crafted requests, aka "Network Policy Server RADIUS Implementation Denial of Service Vulnerability."
| Software | From | Fixed in |
|---|---|---|
| microsoft / windows_server_2012 | --gold | --gold.x |
| microsoft / windows_server_2008 | --sp2 | --sp2.x |
| microsoft / windows_server_2008 | r2-sp1 | r2-sp1.x |
| microsoft / windows_server_2012 | r2 | r2.x |