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Cisco Bug: CSCuw32185 - OS Fingerprint Falsely Detecting Blackberry OS

Last Modified

Aug 09, 2016

Products (1)

  • Cisco Firepower Management Center

Known Affected Releases


Description (partial)

- "Host Profile" shows OS detected "RIM Blackberry" either as the only OS or with a 50% probability with Windows OS while the real OS is Windows.
- No "New OS" events for the "RIM Blackberry" OS seen in the "Discovery Events". Only Windows "New OS" events.

- Appears to affect baseline DC and sensor 5.4.0.x (Virtual, ASA,...).
- Running standard "Network Discovery" policy with the Action "Discover": Applications, Hosts and Users, monitoring their internal network(s).
- Removing the "Host Profile" and monitoring the "Discovery Event" for the related host(s) will show that the first OS detected is Windows and after a couple of minutes it changes to Blackberry.
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