Improper Validation of Integrity Check Value
In ILIAS through 7.10, lack of verification when changing an email address (on the Profile Page) allows remote attackers to take over accounts.
CWE-354 - Improper Validation of Integrity Check Value
The software does not validate or incorrectly validates the integrity check values or "checksums" of a message. This may prevent it from detecting if the data has been modified or corrupted in transmission.