apps/calendar/ajax/events.php in ownCloud before 4.5.11 and 5.x before 5.0.6 does not properly check the ownership of a calendar, which allows remote authenticated users to download arbitrary calendars via the calendar_id parameter.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Owncloud | Owncloud | * | 4.5.10 (including) |
| Owncloud | Owncloud | 4.5.0 (including) | 4.5.0 (including) |
| Owncloud | Owncloud | 4.5.1 (including) | 4.5.1 (including) |
| Owncloud | Owncloud | 4.5.2 (including) | 4.5.2 (including) |
| Owncloud | Owncloud | 4.5.3 (including) | 4.5.3 (including) |
| Owncloud | Owncloud | 4.5.4 (including) | 4.5.4 (including) |
| Owncloud | Owncloud | 4.5.5 (including) | 4.5.5 (including) |
| Owncloud | Owncloud | 4.5.6 (including) | 4.5.6 (including) |
| Owncloud | Owncloud | 4.5.7 (including) | 4.5.7 (including) |
| Owncloud | Owncloud | 4.5.8 (including) | 4.5.8 (including) |
| Owncloud | Owncloud | 4.5.9 (including) | 4.5.9 (including) |
| Owncloud | Owncloud | 5.0.0 (including) | 5.0.0 (including) |
| Owncloud | Owncloud | 5.0.1 (including) | 5.0.1 (including) |
| Owncloud | Owncloud | 5.0.2 (including) | 5.0.2 (including) |
| Owncloud | Owncloud | 5.0.3 (including) | 5.0.3 (including) |
| Owncloud | Owncloud | 5.0.4 (including) | 5.0.4 (including) |
| Owncloud | Owncloud | 5.0.5 (including) | 5.0.5 (including) |
| Owncloud | Ubuntu | raring | * |
| Owncloud | Ubuntu | upstream | * |