An attacker could attempt to eavesdrop the transmission of end-user credentials with the grant type 'password' between the client and server.
OAuth 2.0 Threat Model and Security Considerations (RFC6819, section 4.4.3.4)
This threat is considered fully mitigated if all the test cases from the following test set succeed.
The impact factor is a measure that indicates how important a given countermeasure is towards mitigating a threat.
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