Through undisclosed methods on F5 BIG-IP 13.0.0-13.1.0.7 12.1.0-12.1.3.5 11.6.0-11.6.3.1 or 11.2.1-11.5.6 adjacent network attackers can cause a denial of service for VCMP guest and host systems. Attack must be sourced from adjacent network (layer 2).