Vulnerability Details CVE-2021-23049
On BIG-IP version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3, when the iRules RESOLVER::summarize command is used on a virtual server, undisclosed requests can cause an increase in Traffic Management Microkernel (TMM) memory utilization resulting in an out-of-memory condition and a denial-of-service (DoS). Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 74.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2021-23049
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cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.0
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cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.0.1
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cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.0.2
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cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.0.3
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cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.0.4
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cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.0.5
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cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.1
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cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.2
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cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.2.1
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cpe:2.3:a:f5:big-ip_access_policy_manager:16.0.0
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cpe:2.3:a:f5:big-ip_access_policy_manager:16.0.1
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cpe:2.3:a:f5:big-ip_access_policy_manager:16.0.1.1
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:15.1.0
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:15.1.0.1
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:15.1.0.2
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:15.1.0.3
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:15.1.0.4
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:15.1.0.5
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:15.1.1
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:15.1.2
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:15.1.2.1
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:16.0.0
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:16.0.1
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cpe:2.3:a:f5:big-ip_advanced_firewall_manager:16.0.1.1
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cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.0
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cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.0.2
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cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.0.4
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cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.0.5
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cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.1
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cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.2
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cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:15.1.2.1
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cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:16.0.0
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cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:16.0.1
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cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:16.0.1.1
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cpe:2.3:a:f5:big-ip_analytics:15.1.0
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cpe:2.3:a:f5:big-ip_analytics:15.1.0.1
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cpe:2.3:a:f5:big-ip_analytics:15.1.0.2
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cpe:2.3:a:f5:big-ip_analytics:15.1.0.3
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cpe:2.3:a:f5:big-ip_analytics:15.1.0.4
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cpe:2.3:a:f5:big-ip_analytics:15.1.0.5
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cpe:2.3:a:f5:big-ip_analytics:15.1.1
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cpe:2.3:a:f5:big-ip_analytics:15.1.2
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cpe:2.3:a:f5:big-ip_analytics:15.1.2.1
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cpe:2.3:a:f5:big-ip_analytics:16.0.0
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cpe:2.3:a:f5:big-ip_analytics:16.0.1
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cpe:2.3:a:f5:big-ip_analytics:16.0.1.1
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:15.1.0
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:15.1.0.1
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:15.1.0.2
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:15.1.0.3
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:15.1.0.4
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:15.1.0.5
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:15.1.1
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:15.1.2
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:15.1.2.1
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:16.0.0
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:16.0.1
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cpe:2.3:a:f5:big-ip_application_acceleration_manager:16.0.1.1
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cpe:2.3:a:f5:big-ip_application_security_manager:15.1.0
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cpe:2.3:a:f5:big-ip_application_security_manager:15.1.0.1
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cpe:2.3:a:f5:big-ip_application_security_manager:15.1.0.2
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cpe:2.3:a:f5:big-ip_application_security_manager:15.1.0.3
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cpe:2.3:a:f5:big-ip_application_security_manager:15.1.0.4
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cpe:2.3:a:f5:big-ip_application_security_manager:15.1.0.5
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cpe:2.3:a:f5:big-ip_application_security_manager:15.1.1
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cpe:2.3:a:f5:big-ip_application_security_manager:15.1.2
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cpe:2.3:a:f5:big-ip_application_security_manager:15.1.2.1
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cpe:2.3:a:f5:big-ip_application_security_manager:16.0.0
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cpe:2.3:a:f5:big-ip_application_security_manager:16.0.1
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cpe:2.3:a:f5:big-ip_application_security_manager:16.0.1.1
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cpe:2.3:a:f5:big-ip_domain_name_system:15.1.0
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cpe:2.3:a:f5:big-ip_domain_name_system:15.1.0.1
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cpe:2.3:a:f5:big-ip_domain_name_system:15.1.0.2
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cpe:2.3:a:f5:big-ip_domain_name_system:15.1.0.3
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cpe:2.3:a:f5:big-ip_domain_name_system:15.1.0.4
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cpe:2.3:a:f5:big-ip_domain_name_system:15.1.0.5
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cpe:2.3:a:f5:big-ip_domain_name_system:15.1.1
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cpe:2.3:a:f5:big-ip_domain_name_system:15.1.2
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cpe:2.3:a:f5:big-ip_domain_name_system:15.1.2.1
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cpe:2.3:a:f5:big-ip_domain_name_system:16.0.0
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cpe:2.3:a:f5:big-ip_domain_name_system:16.0.1
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cpe:2.3:a:f5:big-ip_domain_name_system:16.0.1.1
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cpe:2.3:a:f5:big-ip_fraud_protection_service:15.1.0
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cpe:2.3:a:f5:big-ip_fraud_protection_service:15.1.0.1
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cpe:2.3:a:f5:big-ip_fraud_protection_service:15.1.0.2
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cpe:2.3:a:f5:big-ip_fraud_protection_service:15.1.0.3
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cpe:2.3:a:f5:big-ip_fraud_protection_service:15.1.0.4
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cpe:2.3:a:f5:big-ip_fraud_protection_service:15.1.0.5
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cpe:2.3:a:f5:big-ip_fraud_protection_service:15.1.1
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cpe:2.3:a:f5:big-ip_fraud_protection_service:15.1.2
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cpe:2.3:a:f5:big-ip_fraud_protection_service:15.1.2.1
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cpe:2.3:a:f5:big-ip_fraud_protection_service:16.0.0
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cpe:2.3:a:f5:big-ip_fraud_protection_service:16.0.1
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cpe:2.3:a:f5:big-ip_fraud_protection_service:16.0.1.1
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cpe:2.3:a:f5:big-ip_global_traffic_manager:15.1.0
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cpe:2.3:a:f5:big-ip_global_traffic_manager:15.1.0.1
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cpe:2.3:a:f5:big-ip_global_traffic_manager:15.1.0.2
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cpe:2.3:a:f5:big-ip_global_traffic_manager:15.1.0.3
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cpe:2.3:a:f5:big-ip_global_traffic_manager:15.1.0.4
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cpe:2.3:a:f5:big-ip_global_traffic_manager:15.1.0.5
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cpe:2.3:a:f5:big-ip_global_traffic_manager:15.1.1
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cpe:2.3:a:f5:big-ip_global_traffic_manager:15.1.2
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cpe:2.3:a:f5:big-ip_global_traffic_manager:15.1.2.1
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cpe:2.3:a:f5:big-ip_global_traffic_manager:16.0.0
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cpe:2.3:a:f5:big-ip_global_traffic_manager:16.0.1
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cpe:2.3:a:f5:big-ip_global_traffic_manager:16.0.1.1
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cpe:2.3:a:f5:big-ip_link_controller:15.1.0
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cpe:2.3:a:f5:big-ip_link_controller:15.1.0.1
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cpe:2.3:a:f5:big-ip_link_controller:15.1.0.2
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cpe:2.3:a:f5:big-ip_link_controller:15.1.0.3
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cpe:2.3:a:f5:big-ip_link_controller:15.1.0.4
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cpe:2.3:a:f5:big-ip_link_controller:15.1.0.5
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cpe:2.3:a:f5:big-ip_link_controller:15.1.1
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cpe:2.3:a:f5:big-ip_link_controller:15.1.2
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cpe:2.3:a:f5:big-ip_link_controller:15.1.2.1
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cpe:2.3:a:f5:big-ip_link_controller:16.0.0
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cpe:2.3:a:f5:big-ip_link_controller:16.0.1
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cpe:2.3:a:f5:big-ip_link_controller:16.0.1.1
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cpe:2.3:a:f5:big-ip_local_traffic_manager:15.1.0
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cpe:2.3:a:f5:big-ip_local_traffic_manager:15.1.0.1
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cpe:2.3:a:f5:big-ip_local_traffic_manager:15.1.0.2
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cpe:2.3:a:f5:big-ip_local_traffic_manager:15.1.0.3
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cpe:2.3:a:f5:big-ip_local_traffic_manager:15.1.0.4
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cpe:2.3:a:f5:big-ip_local_traffic_manager:15.1.0.5
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cpe:2.3:a:f5:big-ip_local_traffic_manager:15.1.1
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cpe:2.3:a:f5:big-ip_local_traffic_manager:15.1.2
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cpe:2.3:a:f5:big-ip_local_traffic_manager:15.1.2.1
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cpe:2.3:a:f5:big-ip_local_traffic_manager:16.0.0
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cpe:2.3:a:f5:big-ip_local_traffic_manager:16.0.1
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cpe:2.3:a:f5:big-ip_local_traffic_manager:16.0.1.1