Bug ID 745140: Legitimate user might get blocked or get CAPTCHA by "bot defense"

Last Modified: Aug 24, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP ASM(all modules)

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4

Opened: Sep 25, 2018
Severity: 3-Major

Symptoms

Client user gets blocked or sees a CAPTCHA when clicking the mouse button

Impact

Client user gets blocked or get CAPTCHA

Conditions

Bot defense profile is configured with "Rapid Mouse Click" anomaly set to "Block" or "CAPTCHA"

Workaround

Disable "Rapid Mouse Click" anomaly in the bot-defense profile

Fix Information

None

Behavior Change