imPC@ndo IT

Tracker / CVE-2021-23000

CVE-2021-23000

High 7.5

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.

Affected products and versions

f5 big-ip_access_policy_manager
f5 big-ip_access_policy_manager · 13.1.3.4 → 13.1.3.6
f5 big-ip_advanced_firewall_manager
f5 big-ip_advanced_firewall_manager · 13.1.3.4 → 13.1.3.6
f5 big-ip_advanced_web_application_firewall
f5 big-ip_advanced_web_application_firewall · 13.1.3.4 → 13.1.3.6
f5 big-ip_analytics
f5 big-ip_analytics · 13.1.3.4 → 13.1.3.6
f5 big-ip_application_acceleration_manager
f5 big-ip_application_acceleration_manager · 13.1.3.4 → 13.1.3.6
f5 big-ip_application_security_manager
f5 big-ip_application_security_manager · 13.1.3.4 → 13.1.3.6
f5 big-ip_ddos_hybrid_defender
f5 big-ip_ddos_hybrid_defender · 13.1.3.4 → 13.1.3.6
f5 big-ip_domain_name_system
f5 big-ip_domain_name_system · 13.1.3.4 → 13.1.3.6
f5 big-ip_fraud_protection_service
f5 big-ip_fraud_protection_service · 13.1.3.4 → 13.1.3.6
f5 big-ip_global_traffic_manager
f5 big-ip_global_traffic_manager · 13.1.3.4 → 13.1.3.6
f5 big-ip_link_controller
f5 big-ip_link_controller · 13.1.3.4 → 13.1.3.6
f5 big-ip_local_traffic_manager
f5 big-ip_local_traffic_manager · 13.1.3.4 → 13.1.3.6
f5 big-ip_policy_enforcement_manager
f5 big-ip_policy_enforcement_manager · 13.1.3.4 → 13.1.3.6
f5 ssl_orchestrator
f5 ssl_orchestrator · 13.1.3.4 → 13.1.3.6

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References