K30150004: The attack signature check may fail to detect and block malicious requests

Security Advisory Description The web application firewall attack signature check may fail to detect and block malicious request containing certain decimal-coded characters. This issue occurs when all of the following conditions are met: You are using one of the following web application firewall...

K53593534: BIG-IP ASM and F5 Advanced WAF attack signature check failure on certain HTTP requests

Security Advisory Description The BIG-IP ASM and F5 Advanced Web Application Firewall Advanced WAF attack signature check may fail to detect and block certain HTTP requests. Impact The attack signature check fails to detect and block such requests, as expected of a security policy. Symptoms As a...

K30911244: Advanced WAF, BIG-IP ASM, and NGINX App Protect attack signature check failure

Security Advisory Description The F5 Advanced Web Application Firewall Advanced WAF, BIG-IP ASM, and NGINX App Protect attack signature check may fail to detect and block certain HTTP requests when some signatures are disabled on the security policy and wildcard header. Impact The attack signatur...

K67397230: BIG-IP ASM, F5 Advanced WAF, and NGINX App Protect normalizing security exposure

Security Advisory Description The BIG-IP ASM, F5 Advanced Web Application Firewall Advanced WAF, and NGINX App Protect systems incorrectly normalize undisclosed strings. Impact The attack signature check fails to detect and block such requests, as expected of a security policy. Symptoms As a resu...

K30291321: The attack signature check may fail to detect and block illegal requests for a case-insensitive policy

Security Advisory Description The web application firewall attack signature check may fail to detect and block illegal requests. This issue occurs when all of the following conditions are met: You are using one of the following web application firewall products: Advanced WAF or BIG-IP ASM 11.6.0 ...