Vulnerable Systems:
* BlackBerry Enterprise Server 4.0 through 4.0 Service Pack 3 Hotfix 4
An issue in the BlackBerry Enterprise Server that is known to Research In Motion has been corrected in current releases of the BlackBerry Enterprise Server. An internal user sending malformed protocol packets could have caused a Denial of Service (DoS) for all BlackBerry Enterprise Server communication.
Vendor Status:
Blackberry had issued a security update for this vulnerability