“This vulnerability affects all versions of Microsoft .NET Framework and could allow for an unauthenticated denial of service attack on servers that serve ASP.NET pages. Sites that only serve static content or disallow dynamic content types listed in the mitigation factors below are not vulnerable…”
NIS signatures are automatically downloaded by the TMG firewall – therefore allowing you time to test fixes on your internal systems.
Check out details of vulnerability at:
DEBRA LITTLEJOHN SHINDER
MVP (Enterprise Security)