CVE-2006-0173: Undefined Security Weakness

Hummingbird Collaboration aka Hummingbird Enterprise Collaboration 5.21 and earlier allows remote attackers to misrepresent the type and name of a file via modified docext and id parameters, which might trick a user into downloading dangerous or unexpected content...

CVE-2001-0875

Internet Explorer 5.5 and 6.0 allows remote attackers to cause the File Download dialogue box to misrepresent the name of the file in the dialogue in a way that could fool users into thinking that the file type is safe to download...