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
Fixed In:
13.1.0
Opened: Jul 10, 2017 Severity: 3-Major
The JavaScript challenge type=7 is sent when it should not be. The challenge should be sent only when 'Bot Detection' is set to 'Alarm and Block' or when 'Fingerprint Usage' or 'Persistent Client Identification' is enabled in 'Web Scraping Configuration'.
After 10 requests to a qualified URL, the JavaScript challenge type=7 is sent back.
-- ASM Policy. -- 'Bot Detection' set to 'Alarm' in 'Web Scraping Configuration'.
None.
Now, when using 'Web Scraping Configuration', JavaScript challenge type=7 is sent only when 'Bot Detection' is set to 'Alarm and Block' or when 'Fingerprint Usage' or 'Persistent Client Identification' is enabled in 'Web Scraping Configuration'.