Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-23000

On BIG-IP versions 13.1.3.4-13.1.3.6 and 12.1.5.2, if the tmm.http.rfc.enforcement BigDB key is enabled in a BIG-IP system, or the Bad host header value is checked in the AFM HTTP security profile associated with a virtual server, in rare instances, a specific sequence of malicious requests may cause TMM to restart. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

  • Published: Mar 31, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-23000
  • 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: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:N/A:P

No CWE or OWASP classifications available.

Software From Fixed in
f5 / ssl_orchestrator 12.1.5.2 12.1.5.2.x
f5 / big-ip_policy_enforcement_manager 12.1.5.2 12.1.5.2.x
f5 / big-ip_local_traffic_manager 12.1.5.2 12.1.5.2.x
f5 / big-ip_link_controller 12.1.5.2 12.1.5.2.x
f5 / big-ip_global_traffic_manager 12.1.5.2 12.1.5.2.x
f5 / big-ip_fraud_protection_service 12.1.5.2 12.1.5.2.x
f5 / big-ip_domain_name_system 12.1.5.2 12.1.5.2.x
f5 / big-ip_ddos_hybrid_defender 12.1.5.2 12.1.5.2.x
f5 / big-ip_application_security_manager 12.1.5.2 12.1.5.2.x
f5 / big-ip_application_acceleration_manager 12.1.5.2 12.1.5.2.x
f5 / big-ip_analytics 12.1.5.2 12.1.5.2.x
f5 / big-ip_advanced_web_application_firewall 12.1.5.2 12.1.5.2.x
f5 / big-ip_advanced_firewall_manager 12.1.5.2 12.1.5.2.x
f5 / big-ip_access_policy_manager 12.1.5.2 12.1.5.2.x
f5 / big-ip_access_policy_manager 13.1.3.4 13.1.3.6
f5 / big-ip_advanced_firewall_manager 13.1.3.4 13.1.3.6
f5 / big-ip_advanced_web_application_firewall 13.1.3.4 13.1.3.6
f5 / big-ip_analytics 13.1.3.4 13.1.3.6
f5 / big-ip_application_acceleration_manager 13.1.3.4 13.1.3.6
f5 / big-ip_application_security_manager 13.1.3.4 13.1.3.6
f5 / big-ip_ddos_hybrid_defender 13.1.3.4 13.1.3.6
f5 / big-ip_domain_name_system 13.1.3.4 13.1.3.6
f5 / big-ip_fraud_protection_service 13.1.3.4 13.1.3.6
f5 / big-ip_global_traffic_manager 13.1.3.4 13.1.3.6
f5 / big-ip_link_controller 13.1.3.4 13.1.3.6
f5 / big-ip_local_traffic_manager 13.1.3.4 13.1.3.6
f5 / big-ip_policy_enforcement_manager 13.1.3.4 13.1.3.6
f5 / ssl_orchestrator 13.1.3.4 13.1.3.6