CVE-2021-23013: High severity F5 BIG-IP Access Policy Manager vulnerability
Published May 10, 2021
·Updated
On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3, the Traffic Management Microkernel (TMM) may stop responding when processing Stream Control Transmission Protocol (SCTP) traffic under certain conditions. This vulnerability affects TMM by way of a virtual server configured with an SCTP profile. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected Software
70 affected components
F5 BIG-IP Access Policy Manager>=12.1.0<12.1.5.3
F5 BIG-IP Access Policy Manager>=13.1.0<13.1.4
F5 BIG-IP Access Policy Manager>=14.1.0<14.1.4
F5 BIG-IP Access Policy Manager>=15.1.0<15.1.3
F5 BIG-IP Access Policy Manager>=16.0.0<16.0.1.1
F5 BIG-IP Advanced Firewall Manager>=12.1.0<12.1.5.3
F5 BIG-IP Advanced Firewall Manager>=13.1.0<13.1.4
F5 BIG-IP Advanced Firewall Manager>=14.1.0<14.1.4
F5 BIG-IP Advanced Firewall Manager>=15.1.0<15.1.3
F5 BIG-IP Advanced Firewall Manager>=16.0.0<16.0.1.1
F5 Big-ip Advanced Web Application Firewall>=12.1.0<12.1.5.3
F5 Big-ip Advanced Web Application Firewall>=13.1.0<13.1.4
F5 Big-ip Advanced Web Application Firewall>=14.1.0<14.1.4
F5 Big-ip Advanced Web Application Firewall>=15.1.0<15.1.3
F5 Big-ip Advanced Web Application Firewall>=16.0.0<16.0.1.1
F5 BIG-IP Analytics>=12.1.0<12.1.5.3
F5 BIG-IP Analytics>=13.1.0<13.1.4
F5 BIG-IP Analytics>=14.1.0<14.1.4
F5 BIG-IP Analytics>=15.1.0<15.1.3
F5 BIG-IP Analytics>=16.0.0<16.0.1.1
F5 Big-ip Application Acceleration Manager>=12.1.0<12.1.5.3
F5 Big-ip Application Acceleration Manager>=13.1.0<13.1.4
F5 Big-ip Application Acceleration Manager>=14.1.0<14.1.4
F5 Big-ip Application Acceleration Manager>=15.1.0<15.1.3
F5 Big-ip Application Acceleration Manager>=16.0.0<16.0.1.1
F5 BIG-IP Application Security Manager>=12.1.0<12.1.5.3
F5 BIG-IP Application Security Manager>=13.1.0<13.1.4
F5 BIG-IP Application Security Manager>=14.1.0<14.1.4
F5 BIG-IP Application Security Manager>=15.1.0<15.1.3
F5 BIG-IP Application Security Manager>=16.0.0<16.0.1.1
F5 Big-ip Ddos Hybrid Defender>=12.1.0<12.1.5.3
F5 Big-ip Ddos Hybrid Defender>=13.1.0<13.1.4
F5 Big-ip Ddos Hybrid Defender>=14.1.0<14.1.4
F5 Big-ip Ddos Hybrid Defender>=15.1.0<15.1.3
F5 Big-ip Ddos Hybrid Defender>=16.0.0<16.0.1.1
F5 Big-ip Domain Name System>=12.1.0<12.1.5.3
F5 Big-ip Domain Name System>=13.1.0<13.1.4
F5 Big-ip Domain Name System>=14.1.0<14.1.4
F5 Big-ip Domain Name System>=15.1.0<15.1.3
F5 Big-ip Domain Name System>=16.0.0<16.0.1.1
F5 Big-ip Fraud Protection Service>=12.1.0<12.1.5.3
F5 Big-ip Fraud Protection Service>=13.1.0<13.1.4
F5 Big-ip Fraud Protection Service>=14.1.0<14.1.4
F5 Big-ip Fraud Protection Service>=15.1.0<15.1.3
F5 Big-ip Fraud Protection Service>=16.0.0<16.0.1.1
F5 Big-ip Global Traffic Manager>=12.1.0<12.1.5.3
F5 Big-ip Global Traffic Manager>=13.1.0<13.1.4
F5 Big-ip Global Traffic Manager>=14.1.0<14.1.4
F5 Big-ip Global Traffic Manager>=15.1.0<15.1.3
F5 Big-ip Global Traffic Manager>=16.0.0<16.0.1.1
F5 Big-ip Link Controller>=12.1.0<12.1.5.3
F5 Big-ip Link Controller>=13.1.0<13.1.4
F5 Big-ip Link Controller>=14.1.0<14.1.4
F5 Big-ip Link Controller>=15.1.0<15.1.3
F5 Big-ip Link Controller>=16.0.0<16.0.1.1
F5 Big-ip Local Traffic Manager>=12.1.0<12.1.5.3
F5 Big-ip Local Traffic Manager>=13.1.0<13.1.4
F5 Big-ip Local Traffic Manager>=14.1.0<14.1.4
F5 Big-ip Local Traffic Manager>=15.1.0<15.1.3
F5 Big-ip Local Traffic Manager>=16.0.0<16.0.1.1
F5 Big-ip Policy Enforcement Manager>=12.1.0<12.1.5.3
F5 Big-ip Policy Enforcement Manager>=13.1.0<13.1.4
F5 Big-ip Policy Enforcement Manager>=14.1.0<14.1.4
F5 Big-ip Policy Enforcement Manager>=15.1.0<15.1.3
F5 Big-ip Policy Enforcement Manager>=16.0.0<16.0.1.1
F5 BIG-IP SSL Orchestrator>=12.1.0<12.1.5.3
F5 BIG-IP SSL Orchestrator>=13.1.0<13.1.4
F5 BIG-IP SSL Orchestrator>=14.1.0<14.1.4
F5 BIG-IP SSL Orchestrator>=15.1.0<15.1.3
F5 BIG-IP SSL Orchestrator>=16.0.0<16.0.1.1
Event History
May 10, 2021
CVE Published
via MITRE·01:28 PM
Data Sourced
via MITRE·01:28 PM
DescriptionWeakness
Frequently Asked Questions
1
What is the severity of CVE-2021-23013?
The severity of CVE-2021-23013 is high with a CVSS score of 7.5.
2
Which F5 software versions are affected by CVE-2021-23013?
F5 BIG-IP Access Policy Manager versions 12.1.0 to 12.1.5.3, 13.1.0 to 13.1.4, 14.1.0 to 14.1.4, 15.1.0 to 15.1.3, and 16.0.0 to 16.0.1.1 are affected.
3
How can I fix the vulnerability CVE-2021-23013?
To fix CVE-2021-23013, users should upgrade their F5 BIG-IP software to version 16.0.1.1, 15.1.3, 14.1.4, 13.1.3.6, or 12.1.5.3.