Bug ID 638629: Bot can be classified as human

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 13.0.0

Fixed In:
13.1.0, 13.0.0 HF1, 12.1.3

Opened: Jan 11, 2017
Severity: 2-Critical


A bot is classified as human in a rare case.


Bot traffic gets classified as human by ASM.


Web scraping is turned on. The CSHUI is tried on the user.



Fix Information

Fixed the CSHUI algorithm to have better bot detection.

Behavior Change