Observable Response Discrepancy in ManageEngine ADSelfService Plus Allows User Existence Enumeration

Observable Response Discrepancy in ManageEngine ADSelfService Plus Allows User Existence Enumeration

CVE-2021-20147 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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.

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