The IKEv1 implementation in Cisco ASA Software 7.x, 8.0.x, 8.1.x, and 8.2.x before 8.2.2.13 allows remote authenticated users to bypass XAUTH authentication via crafted IKEv1 packets, aka Bug ID CSCus47259.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.
Category : Permissions, Privileges, and Access Controls Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.