Vulnerability Database

314,342

Total vulnerabilities in the database

CVE-2019-6623

On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, undisclosed traffic sent to BIG-IP iSession virtual server may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).

  • Published: Jul 2, 2019
  • Updated: Nov 9, 2025
  • CVE: CVE-2019-6623
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

No CWE or OWASP classifications available.

Software From Fixed in
f5 / big-ip_access_policy_manager 12.1.0 12.1.4.x
f5 / big-ip_access_policy_manager 14.0.0 14.0.0.4.x
f5 / big-ip_access_policy_manager 13.0.0 13.1.1.4.x
f5 / big-ip_access_policy_manager 14.1.0 14.1.0.5.x
f5 / big-ip_advanced_firewall_manager 12.1.0 12.1.4.x
f5 / big-ip_advanced_firewall_manager 13.0.0 13.1.1.4.x
f5 / big-ip_advanced_firewall_manager 14.0.0 14.0.0.4.x
f5 / big-ip_advanced_firewall_manager 14.1.0 14.1.0.5.x
f5 / big-ip_application_acceleration_manager 12.1.0 12.1.4.x
f5 / big-ip_application_acceleration_manager 13.0.0 13.1.1.4.x
f5 / big-ip_application_acceleration_manager 14.0.0 14.0.0.4.x
f5 / big-ip_application_acceleration_manager 14.1.0 14.1.0.5.x
f5 / big-ip_link_controller 12.1.0 12.1.4.x
f5 / big-ip_link_controller 13.0.0 13.1.1.4.x
f5 / big-ip_link_controller 14.0.0 14.0.0.4.x
f5 / big-ip_link_controller 14.1.0 14.1.0.5.x
f5 / big-ip_policy_enforcement_manager 12.1.0 12.1.4.x
f5 / big-ip_policy_enforcement_manager 13.0.0 13.1.1.4.x
f5 / big-ip_policy_enforcement_manager 14.0.0 14.0.0.4.x
f5 / big-ip_policy_enforcement_manager 14.1.0 14.1.0.5.x
f5 / big-ip_webaccelerator 12.1.0 12.1.4.x
f5 / big-ip_webaccelerator 13.0.0 13.1.1.4.x
f5 / big-ip_webaccelerator 14.0.0 14.0.0.4.x
f5 / big-ip_webaccelerator 14.1.0 14.1.0.5.x
f5 / big-ip_application_security_manager 12.1.0 12.1.4.x
f5 / big-ip_application_security_manager 13.0.0 13.1.1.4.x
f5 / big-ip_application_security_manager 14.0.0 14.0.0.4.x
f5 / big-ip_application_security_manager 14.1.0 14.1.0.5.x
f5 / big-ip_local_traffic_manager 12.1.0 12.1.4.x
f5 / big-ip_local_traffic_manager 13.0.0 13.1.1.4.x
f5 / big-ip_local_traffic_manager 14.0.0 14.0.0.4.x
f5 / big-ip_local_traffic_manager 14.1.0 14.1.0.5.x
f5 / big-ip_fraud_protection_service 12.1.0 12.1.4.x
f5 / big-ip_fraud_protection_service 13.0.0 13.1.1.4.x
f5 / big-ip_fraud_protection_service 14.0.0 14.0.0.4.x
f5 / big-ip_fraud_protection_service 14.1.0 14.1.0.5.x
f5 / big-ip_global_traffic_manager 12.1.0 12.1.4.x
f5 / big-ip_global_traffic_manager 13.0.0 13.1.1.4.x
f5 / big-ip_global_traffic_manager 14.0.0 14.0.0.4.x
f5 / big-ip_global_traffic_manager 14.1.0 14.1.0.5.x
f5 / big-ip_analytics 12.1.0 12.1.4.x
f5 / big-ip_analytics 13.0.0 13.1.1.4.x
f5 / big-ip_analytics 14.0.0 14.0.0.4.x
f5 / big-ip_analytics 14.1.0 14.1.0.5.x
f5 / big-ip_edge_gateway 12.1.0 12.1.4.x
f5 / big-ip_edge_gateway 13.0.0 13.1.1.4.x
f5 / big-ip_edge_gateway 14.0.0 14.0.0.4.x
f5 / big-ip_edge_gateway 14.1.0 14.1.0.5.x
f5 / big-ip_domain_name_system 12.1.0 12.1.4.x
f5 / big-ip_domain_name_system 13.0.0 13.1.1.4.x
f5 / big-ip_domain_name_system 14.0.0 14.0.0.4
f5 / big-ip_domain_name_system 14.1.0 14.1.0.5.x