Merak Mail Server 8.0.3 with Icewarp Web Mail 5.4.2, when the mailbox.dat file does not exist, allows remote authenticated users to determine if a file exists via the folder parameter to attachment.html.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Web_mail | Icewarp | 5.4.2 (including) | 5.4.2 (including) |
| Mail_server | Merak | 8.0.3 (including) | 8.0.3 (including) |