Moodle before 2.2.2 has a password and web services issue where when the user profile is updated the user password is reset if not specified.
| Software | From | Fixed in |
|---|---|---|
| moodle / moodle | - | 2.2.2 |
| fedoraproject / fedora | 17 | 17.x |
| fedoraproject / fedora | 16 | 16.x |
| fedoraproject / fedora | 15 | 15.x |
| redhat / enterprise_linux | 6.0 | 6.0.x |