The CTIManager module in Cisco Unified Communications Manager (CM) 10.0(1), when single sign-on is enabled, does not properly validate Kerberos SSO tokens, which allows remote authenticated users to gain privileges and execute arbitrary commands via crafted token data, aka Bug ID CSCum95491.
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.