Last Modified: Apr 28, 2025
                                            Affected Product(s):
                                            BIG-IP ASM
                                        
                                            Known Affected Versions:
                                            13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 13.1.3.4, 13.1.3.5, 13.1.3.6, 13.1.4, 13.1.4.1, 13.1.5, 13.1.5.1, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1
                                        
                                            Fixed In:
                                            14.1.0
                                        
                                Opened: Aug 18, 2018 Severity: 3-Major
                                
                                    
Clients running Firefox on an Android 9 and selecting 'Request Desktop Site' may get blocked when Proactive Bot Defense is enabled. The 'Classification Reason' will show 'Selenium Detected'.
Client may be blocked or get CAPTCHA challenge. Bot Defense Request Log will falsely show 'Selenium Detected' in the 'Classification Reason' field.
-- Proactive Bot Defense or Device ID features are enabled. -- Client uses Firefox on on mobile device that is running Android 9, and selects 'Request Desktop Site'.
There is no workaround at this time.
Mobile Firefox on Android 9 in Desktop Mode is no longer blocked due to false detection as Selenium.