K43850230 : BIG-IP DNS vulnerability CVE-2020-27717

Security Advisory Description

Undisclosed series of DNS requests may cause TMM to restart and generate a core file. (CVE-2020-27717)

Impact

This vulnerability causes a denial of service (DoS) in data plane traffic. The affected BIG-IP system temporarily fails to process traffic as it recovers from a Traffic Management Microkernel (TMM) restart, and devices configured in a device group may fail over. This vulnerability does not apply to the control plane.