Bug ID 1060393: Extended high CPU usage caused by JavaScript Obfuscator.

Last Modified: May 18, 2023

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

Known Affected Versions:
16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 17.0.0, 17.0.0.1, 17.0.0.2, 17.1.0, 17.1.0.1

Opened: Nov 09, 2021

Severity: 3-Major

Symptoms

The Obfuscator process (compiler.jar) consumes excessive CPU for an extended period.

Impact

High CPU usage on the device.

Conditions

FPS is provisioned OR: ASM is provisioned AND: Bot profile is attached to VS OR ASM Policy with brute force feature enabled is attached to VS OR DoS profile with Captcha/CSI mitigation is attached to VS

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips