CVE-2021-23004: High severity F5 BIG-IP Access Policy Manager vulnerability
Published Mar 31, 2021
·Updated
On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, Multipath TCP (MPTCP) forwarding flows may be created on standard virtual servers without MPTCP enabled in the applied TCP profile. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Affected Software
84 affected components
F5 BIG-IP Access Policy Manager>=11.6.1<11.6.5.3
F5 BIG-IP Access Policy Manager>=12.1.0<12.1.5.3
F5 BIG-IP Access Policy Manager>=13.1.0<13.1.3.6
F5 BIG-IP Access Policy Manager>=14.1.0<14.1.4
F5 BIG-IP Access Policy Manager>=15.1.0<15.1.2.1
F5 BIG-IP Access Policy Manager>=16.0.0<16.0.1.1
F5 BIG-IP Advanced Firewall Manager>=11.6.1<11.6.5.3
F5 BIG-IP Advanced Firewall Manager>=12.1.0<12.1.5.3
F5 BIG-IP Advanced Firewall Manager>=13.1.0<13.1.3.6
F5 BIG-IP Advanced Firewall Manager>=14.1.0<14.1.4
F5 BIG-IP Advanced Firewall Manager>=15.1.0<15.1.2.1
F5 BIG-IP Advanced Firewall Manager>=16.0.0<16.0.1.1
F5 Big-ip Advanced Web Application Firewall>=11.6.1<11.6.5.3
F5 Big-ip Advanced Web Application Firewall>=12.1.0<12.1.5.3
F5 Big-ip Advanced Web Application Firewall>=13.1.0<13.1.3.6
F5 Big-ip Advanced Web Application Firewall>=14.1.0<14.1.4
F5 Big-ip Advanced Web Application Firewall>=15.1.0<15.1.2.1
F5 Big-ip Advanced Web Application Firewall>=16.0.0<16.0.1.1
F5 BIG-IP Analytics>=11.6.1<11.6.5.3
F5 BIG-IP Analytics>=12.1.0<12.1.5.3
F5 BIG-IP Analytics>=13.1.0<13.1.3.6
F5 BIG-IP Analytics>=14.1.0<14.1.4
F5 BIG-IP Analytics>=15.1.0<15.1.2.1
F5 BIG-IP Analytics>=16.0.0<16.0.1.1
F5 Big-ip Application Acceleration Manager>=11.6.1<11.6.5.3
F5 Big-ip Application Acceleration Manager>=12.1.0<12.1.5.3
F5 Big-ip Application Acceleration Manager>=13.1.0<13.1.3.6
F5 Big-ip Application Acceleration Manager>=14.1.0<14.1.4
F5 Big-ip Application Acceleration Manager>=15.1.0<15.1.2.1
F5 Big-ip Application Acceleration Manager>=16.0.0<16.0.1.1
F5 BIG-IP Application Security Manager>=11.6.1<11.6.5.3
F5 BIG-IP Application Security Manager>=12.1.0<12.1.5.3
F5 BIG-IP Application Security Manager>=13.1.0<13.1.3.6
F5 BIG-IP Application Security Manager>=14.1.0<14.1.4
F5 BIG-IP Application Security Manager>=15.1.0<15.1.2.1
F5 BIG-IP Application Security Manager>=16.0.0<16.0.1.1
F5 Big-ip Ddos Hybrid Defender>=11.6.1<11.6.5.3
F5 Big-ip Ddos Hybrid Defender>=12.1.0<12.1.5.3
F5 Big-ip Ddos Hybrid Defender>=13.1.0<13.1.3.6
F5 Big-ip Ddos Hybrid Defender>=14.1.0<14.1.4
F5 Big-ip Ddos Hybrid Defender>=15.1.0<15.1.2.1
F5 Big-ip Ddos Hybrid Defender>=16.0.0<16.0.1.1
F5 Big-ip Domain Name System>=11.6.1<11.6.5.3
F5 Big-ip Domain Name System>=12.1.0<12.1.5.3
F5 Big-ip Domain Name System>=13.1.0<13.1.3.6
F5 Big-ip Domain Name System>=14.1.0<14.1.4
F5 Big-ip Domain Name System>=15.1.0<15.1.2.1
F5 Big-ip Domain Name System>=16.0.0<16.0.1.1
F5 Big-ip Fraud Protection Service>=11.6.1<11.6.5.3
F5 Big-ip Fraud Protection Service>=12.1.0<12.1.5.3
F5 Big-ip Fraud Protection Service>=13.1.0<13.1.3.6
F5 Big-ip Fraud Protection Service>=14.1.0<14.1.4
F5 Big-ip Fraud Protection Service>=15.1.0<15.1.2.1
F5 Big-ip Fraud Protection Service>=16.0.0<16.0.1.1
F5 Big-ip Global Traffic Manager>=11.6.1<11.6.5.3
F5 Big-ip Global Traffic Manager>=12.1.0<12.1.5.3
F5 Big-ip Global Traffic Manager>=13.1.0<13.1.3.6
F5 Big-ip Global Traffic Manager>=14.1.0<14.1.4
F5 Big-ip Global Traffic Manager>=15.1.0<15.1.2.1
F5 Big-ip Global Traffic Manager>=16.0.0<16.0.1.1
F5 Big-ip Link Controller>=11.6.1<11.6.5.3
F5 Big-ip Link Controller>=12.1.0<12.1.5.3
F5 Big-ip Link Controller>=13.1.0<13.1.3.6
F5 Big-ip Link Controller>=14.1.0<14.1.4
F5 Big-ip Link Controller>=15.1.0<15.1.2.1
F5 Big-ip Link Controller>=16.0.0<16.0.1.1
F5 Big-ip Local Traffic Manager>=11.6.1<11.6.5.3
F5 Big-ip Local Traffic Manager>=12.1.0<12.1.5.3
F5 Big-ip Local Traffic Manager>=13.1.0<13.1.3.6
F5 Big-ip Local Traffic Manager>=14.1.0<14.1.4
F5 Big-ip Local Traffic Manager>=15.1.0<15.1.2.1
F5 Big-ip Local Traffic Manager>=16.0.0<16.0.1.1
F5 Big-ip Policy Enforcement Manager>=11.6.1<11.6.5.3
F5 Big-ip Policy Enforcement Manager>=12.1.0<12.1.5.3
F5 Big-ip Policy Enforcement Manager>=13.1.0<13.1.3.6
F5 Big-ip Policy Enforcement Manager>=14.1.0<14.1.4
F5 Big-ip Policy Enforcement Manager>=15.1.0<15.1.2.1
F5 Big-ip Policy Enforcement Manager>=16.0.0<16.0.1.1
F5 SSL Orchestrator>=11.6.1<11.6.5.3
F5 SSL Orchestrator>=12.1.0<12.1.5.3
F5 SSL Orchestrator>=13.1.0<13.1.3.6
F5 SSL Orchestrator>=14.1.0<14.1.4
F5 SSL Orchestrator>=15.1.0<15.1.2.1
F5 SSL Orchestrator>=16.0.0<16.0.1.1
Event History
Mar 31, 2021
CVE Published
via MITRE·05:40 PM
Data Sourced
via MITRE·05:40 PM
DescriptionWeakness
Frequently Asked Questions
1
What is the severity of CVE-2021-23004?
CVE-2021-23004 has a severity rating that indicates potential impact on the confidentiality, integrity, or availability of affected systems.
2
How do I fix CVE-2021-23004?
To fix CVE-2021-23004, upgrade your BIG-IP version to 16.0.1.1, 15.1.2, 14.1.3.1, 13.1.3.6, 12.1.5.3, or 11.6.5.3 or later.
3
What is affected by CVE-2021-23004?
CVE-2021-23004 affects multiple versions of F5 BIG-IP products including the Access Policy Manager, Advanced Firewall Manager, and others.
4
What could an attacker do with CVE-2021-23004?
An attacker could exploit CVE-2021-23004 to create unintended Multipath TCP forwarding flows on virtual servers not configured for MPTCP.
5
Does CVE-2021-23004 require authentication to be exploited?
Exploitation of CVE-2021-23004 can occur without authentication, increasing the potential risk to users.