IIS 4.0 allows a remote attacker to obtain the real pathname of the document root by requesting non-existent files with .ida or .idq extensions.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Internet_information_server | Microsoft | 3.0 (including) | 3.0 (including) |
| Internet_information_server | Microsoft | 4.0 (including) | 4.0 (including) |
| Internet_information_services | Microsoft | 5.0 (including) | 5.0 (including) |