WRQ Reflection for Secure IT Windows Server 6.0 (formerly known as F-Secure SSH server) does not properly handle when the Windows Administrator or Guest accounts are renamed after SSH key authentication has been configured, which allows remote attackers to use the original names during login.

WRQ Reflection for Secure IT Windows Server 6.0 (formerly known as F-Secure SSH server) processes access and deny lists in a case-sensitive manner, when previous versions were case-insensitive, which might allow remote attackers to bypass intended restrictions and login to accounts that should be denied.