Observable Discrepancy
CVE-2021-20147
Summary
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.
- LOW
- NETWORK
- NONE
- UNCHANGED
- NONE
- NONE
- LOW
- NONE
CWE-203 - Observable Discrepancy
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
References
Advisory Timeline
- Published