Security Advisory Description BIG-IP Advanced WAF/ASM, BIG-IP Next WAF, or NGINX App Protect WAF may fail to match an attack signature. This issue occurs when all of the following conditions are met: The affected security policy has a large number of attack signatures enabled (for example, all or most F5 provided signatures). A number of custom attack signatures is created and enabled on the affected security policy. Impact An attacker may be able to bypass the affected attack signature. As a result, the backend servers protected by the BIG-IP Advanced WAF/ASM, BIG-IP Next WAF, or NGINX App Protect WAF may be exposed to a vulnerability due to the bypassed attack signature. Symptoms As a result of this issue, you may encounter the following symptom: The backend servers protected by the BIG-IP Advanced WAF/ASM, BIG-IP Next WAF, or NGINX App Protect WAF may be exposed to a vulnerability due to the bypassed attack…Read More