Provide references for CVE-2020-9389.
Where can I find more information about CVE-2020-9389?
References are available at: https://support.squaredup.com/hc/en-us/articles/360017255858, https://support.squaredup.com/hc/en-us/articles/360019427238-CVE-2020-9389-Username-enumeration-possible-via-a-timing-attack.