CVE-2001-0335
FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted domains by preceding the username with a special sequence of characters.
Date published : 2001-09-18
http://www.securityfocus.com/bid/2719
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026
