On BIG-IP Advanced WAF and ASM version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions, when the BIG-IP ASM system processes WebSocket requests with JSON payloads, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| 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) | 13.1.3.6 (excluding) |
| Big-ip_advanced_web_application_firewall | F5 | 14.1.0 (including) | 14.1.3.1 (excluding) |
| Big-ip_advanced_web_application_firewall | F5 | 15.1.0 (including) | 15.1.2 (excluding) |
| Big-ip_advanced_web_application_firewall | F5 | 16.0.0 (including) | 16.0.1.1 (excluding) |
| Big-ip_application_security_manager | F5 | 12.1.0 (including) | 12.1.5 (including) |
| Big-ip_application_security_manager | F5 | 13.1.0 (including) | 13.1.3.6 (excluding) |
| Big-ip_application_security_manager | F5 | 14.1.0 (including) | 14.1.3.1 (excluding) |
| Big-ip_application_security_manager | F5 | 15.1.0 (including) | 15.1.2 (excluding) |
| Big-ip_application_security_manager | F5 | 16.0.0 (including) | 16.0.1.1 (excluding) |