CVE-2001-0666
Outlook Web Access (OWA) in Microsoft Exchange 2000 allows an authenticated user to cause a denial of service (CPU consumption) via a malformed OWA request for a deeply nested folder within the user’s mailbox.
Date published : 2002-03-09
http://www.securityfocus.com/bid/3368
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-049