report/outline/index.php in Moodle 2.2.x before 2.2.7, 2.3.x before 2.3.4, and 2.4.x before 2.4.1 does not properly enforce the moodle/user:viewhiddendetails capability requirement, which allows remote authenticated users to discover a hidden lastaccess value by reading an activity report.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Moodle | Moodle | 2.2.0 (including) | 2.2.0 (including) |
| Moodle | Moodle | 2.2.1 (including) | 2.2.1 (including) |
| Moodle | Moodle | 2.2.2 (including) | 2.2.2 (including) |
| Moodle | Moodle | 2.2.3 (including) | 2.2.3 (including) |
| Moodle | Moodle | 2.2.4 (including) | 2.2.4 (including) |
| Moodle | Moodle | 2.2.5 (including) | 2.2.5 (including) |
| Moodle | Moodle | 2.2.6 (including) | 2.2.6 (including) |