The Netlogon RPC Service in Microsoft Windows Server 2003 SP2 and Server 2008 Gold, SP2, and R2, when the domain controller role is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted RPC packet, aka "Netlogon RPC Null dereference DOS Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11963
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-101