CVE-1999-0987: Improper Authentication

Windows NT does not properly download a system policy if the domain user logs into the domain with a space at the end of the domain name...

CVE-1999-0680: Improper Authentication

Windows NT Terminal Server performs extra work when a client opens a new connection but before it is authenticated, allowing for a denial of service...

CVE-1999-0366: Improper Authentication

In some cases, Service Pack 4 for Windows NT 4.0 can allow access to network shares using a blank password, through a problem with a null NT hash value...