The device login page in Cisco FirePOWER Management Center 5.3 through 6.0.0.1 allows remote attackers to obtain potentially sensitive software-version information by reading help files, aka Bug ID CSCuy36654.
Cisco FirePOWER Management Center 5.4.1.3, 6.0.0, and 6.0.1 provides verbose responses to requests for help files, which allows remote attackers to obtain potentially sensitive version information by reading an unspecified field, aka Bug ID CSCux37061.