CVE-2021-22991
No fix known ExploitedEPSS 62%CVSS 9.8
On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3, undisclosed requests to a virtual server may be incorrectly handled by the Traffic Management Microkernel (TMM) URI normalization, which may trigger a buffer overflow, resulting in a DoS attack. In certain situations, it may theoretically allow bypass of URL based access control or remote code execution (RCE). Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Products: f5 big-ip_access_policy_manager, f5 big-ip_advanced_firewall_manager, f5 big-ip_advanced_web_application_firewall, f5 big-ip_analytics, f5 big-ip_application_acceleration_manager, f5 big-ip_application_security_manager, f5 big-ip_ddos_hybrid_defender, f5 big-ip_domain_name_system, f5 big-ip_fraud_protection_service, f5 big-ip_global_traffic_manager, f5 big-ip_link_controller, f5 big-ip_local_traffic_manager, f5 big-ip_policy_enforcement_manager, F5 SSL Orchestrator