When a BIG-IP ASM or Advanced WAF system running version 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, or 11.6.1-11.6.5.2 processes requests with JSON payload, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Big-ip_advanced_web_application_firewall | F5 | 11.6.1 (including) | 11.6.5 (including) |
| Big-ip_advanced_web_application_firewall | F5 | 12.1.0 (including) | 12.1.5 (including) |
| Big-ip_advanced_web_application_firewall | F5 | 13.1.0 (including) | 13.1.3.5 (excluding) |
| Big-ip_advanced_web_application_firewall | F5 | 14.1.0 (including) | 14.1.3.1 (excluding) |
| Big-ip_advanced_web_application_firewall | F5 | 15.0.0 (including) | 15.1.1 (excluding) |
| Big-ip_advanced_web_application_firewall | F5 | 16.0.0 (including) | 16.0.1 (excluding) |
| Big-ip_application_security_manager | F5 | 11.6.1 (including) | 11.6.5 (including) |
| Big-ip_application_security_manager | F5 | 12.1.0 (including) | 12.1.5 (including) |
| Big-ip_application_security_manager | F5 | 13.1.0 (including) | 13.1.3.5 (excluding) |
| Big-ip_application_security_manager | F5 | 14.1.0 (including) | 14.1.3.1 (excluding) |
| Big-ip_application_security_manager | F5 | 15.0.0 (including) | 15.1.1 (excluding) |
| Big-ip_application_security_manager | F5 | 16.0.0 (including) | 16.0.1 (excluding) |