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CVE-2021-22977

High

Description

On BIG-IP version 16.0.0-16.0.1 and 14.1.2.4-14.1.3, cooperation between malicious HTTP client code and a malicious server may cause TMM to restart and generate a core file. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

SeverityHigh
CVSS7.5
Exploit probability—
ProductF5 Big-ip Access Policy Manager
PublishedFeb 12, 2021
First seenFeb 12, 2021

How to fix

Update
  • f5 big-ip_access_policy_manager14.1.3.1, 16.0.1.1 or later
  • f5 big-ip_advanced_firewall_manager14.1.3.1, 16.0.1.1 or later
  • f5 big-ip_advanced_web_application_firewall14.1.3.1, 16.0.1.1 or later
  • f5 big-ip_analytics14.1.3.1, 16.0.1.1 or later
  • f5 big-ip_application_acceleration_manager14.1.3.1, 16.0.1.1 or later
  • f5 big-ip_application_security_manager14.1.3.1, 16.0.1.1 or later
  • f5 big-ip_ddos_hybrid_defender14.1.3.1, 16.0.1.1 or later
  • f5 big-ip_domain_name_system14.1.3.1, 16.0.1.1 or later
  • f5 big-ip_fraud_protection_service14.1.3.1, 16.0.1.1 or later
  • f5 big-ip_global_traffic_manager14.1.3.1, 16.0.1.1 or later
  • f5 big-ip_link_controller14.1.3.1, 16.0.1.1 or later
  • f5 big-ip_local_traffic_manager14.1.3.1, 16.0.1.1 or later

Affected products

ProductAffected versionsFixed in
f5 big-ip_access_policy_manager14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_advanced_firewall_manager14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_advanced_web_application_firewall14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_analytics14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_application_acceleration_manager14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_application_security_manager14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_ddos_hybrid_defender14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_domain_name_system14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_fraud_protection_service14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_global_traffic_manager14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_link_controller14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_local_traffic_manager14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_policy_enforcement_manager14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1
f5 big-ip_ssl_orchestrator14.1.0 ≤ v < 14.1.3.1, 16.0.0 ≤ v < 16.0.1.114.1.3.1, 16.0.1.1

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CVE-2021-22977 · F5 Big-ip Access Policy Manager · Dark Radar