Bug ID 745802: Brute Force CAPTCHA response page truncates last digit in the support id

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP ASM(all modules)

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,, 14.0.0,,,,

Fixed In:

Opened: Oct 03, 2018

Severity: 3-Major


Brute Force CAPTCHA response page shown to an end-user has a support id and the last digit is truncated.


The support id presented to an end-user won't be matched to the one shown in the asm logs


- ASM Provisioned - ASM policy attached to a virtual server - ASM Brute Force Protection enabled in the asm policy - ASM Brute Force sends captcha mitigation page when a website is under brute force attack.


There is no workaround at this time.

Fix Information

The code is fixed, correct support id is shown in the captcha response page.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips