The "sa" account is installed with a default null password on (1) Microsoft SQL Server 2000, (2) SQL Server 7.0, and (3) Data Engine (MSDE) 1.0, including third party packages that use these products such as (4) Tumbleweed Secure Mail (MMS) (5) Compaq Insight Manager, and (6) Visio 2000, which allows remote attackers to gain privileges, as exploited by worms such as Voyager Alpha Force and Spida.

Buffer overflow in the password encryption function of Microsoft SQL Server 2000, including Microsoft SQL Server Desktop Engine (MSDE) 2000, allows remote attackers to gain control of the database and execute arbitrary code via SQL Server Authentication, aka "Unchecked Buffer in Password Encryption Procedure."

Buffer overflow in bulk insert procedure of Microsoft SQL Server 2000, including Microsoft SQL Server Desktop Engine (MSDE) 2000, allows attackers with database administration privileges to execute arbitrary code via a long filename in the BULK INSERT query.

The registry key containing the SQL Server service account information in Microsoft SQL Server 2000, including Microsoft SQL Server Desktop Engine (MSDE) 2000, has insecure permissions, which allows local users to gain privileges, aka "Incorrect Permission on SQL Server Service Account Registry Key."