Affected BioStar 2 Version: V2.9.3 or lower
Affected XPass D2 Version: V1.7.1 or above
The user attempted to authenticate in XPass D2, but the device failed. When you log in to the BioStar 2 server and check, there is a record of card authentication failure, but the failed card number is not displayed.
Upgrade your BioStar 2 version to V2.9.4 or above.