ManageEngine ADSelfService Plus below build 6116 contains an observable response discrepancy in the UMCP operation of the ChangePasswordAPI. This allows an unauthenticated remote attacker to determine whether a Windows domain user exists.
[
{
"product": "ManageEngine ADSelfService Plus",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "< 6116"
}
]
}
]