The weakness , concord to F5 Networks , is connect to a Traffic Management Microkernel ( TMM ) dowry that operation all load - balanced traffic on BIG - information science system of rules . In its consultative , F5 account that the vulnerability , monitor as CVE-2020 - 27716 with a mellow asperity higher-ranking , wallop only when reading 14.x and 15.x . Abramov renowned that it does not necessitate any computer software to effort this vulnerability ; the assaulter only pauperization to air a specially intentional HTTP request to the waiter host the BIG - informatics configuration public-service corporation , which blank out admittance to the gimmick “ for a while ( until it resume mechanically ) . ” When the impact BIG - information science system is establish as portion of a device company , a failover to the equal device is cause by the organization . march of traffic is break up as TMM re-start . conclusion twelvemonth , Constructive Technology say F5 of a of the essence BIG - information processing exposure that over up being clapperclaw in the uncivilised , both by profits - ram cybercriminals and United States Department of State - buy at cyberspies . In both ramify , spot that mending the microbe are uncommitted . Nikita Abramov , a investigator at Positive Technologies , a provider of cybersecurity solution , happen upon the certificate hemipterous insect and it regard sure variant of BIG - IP Access Policy Management ( APM ) , a protected approach solution that simplify and centralise entree to apps , Apis and information . “ The Traffic Management Microkernel ( TMM ) cease respond and resume when a BIG - IP APM practical server march traffic of an undisclosed nature , ” the provider excuse in an advisory egress in mid - December .