ASM stripping double quotes from cookie values post v14?

To close this off - the issue was corrected in v14.1.2.1

769997-1 : ASM removes double quotation characters on cookies

Component: Application Security Manager

Symptoms:

ASM removes the double quotation characters on the cookie.

Conditions:

Cookie sent that contains double quotation marks.

Impact:

The server returns error as the cookie is changed by ASM.

Workaround:

Set asm.strip_asm_cookies to false using the following command:

tmsh modify sys db asm.strip_asm_cookies value false

Fix:

ASM no longer removes the double quotation characters on the cookie.

https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/releasenotes/related/relnote-supplement-bigip-14-1-2-1.html#A769997-1