SAP BusinessObjects 4.0 and BusinessObjects XI (BOXI) R2 and 3.1 generates error messages for a failed logon attempt with different time delays depending on whether the user account exists, which allows remote attackers to enumerate valid usernames via SecEnterprise authentication requests to the Session web service.
Exposure of Sensitive Information to an Unauthorized Actor The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.