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.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1014
https://exchange.xforce.ibmcloud.com/vulnerabilities/7636
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-058