IMP 2.2 and earlier allows attackers to read and delete arbitrary files by modifying the attachment_name hidden form variable, which causes IMP to send the file to the attacker as an attachment.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Imp | Horde | 2.0 (including) | 2.0 (including) |
| Imp | Horde | 2.2 (including) | 2.2 (including) |