high
7.5
CWE
20
Advisory Published
Updated

CVE-2021-23045: Input Validation

First published: Tue Sep 14 2021(Updated: )

On BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x, when an SCTP profile with multiple paths is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Access Policy Manager>=12.1.0<=12.1.6
F5 Access Policy Manager>=13.1.0<13.1.4.1
F5 Access Policy Manager>=14.1.0<14.1.4.3
F5 Access Policy Manager>=15.1.0<15.1.3.1
F5 Access Policy Manager>=16.0.0<16.0.1.2
F5 BIG-IP Advanced Firewall Manager>=12.1.0<=12.1.6
F5 BIG-IP Advanced Firewall Manager>=13.1.0<13.1.4.1
F5 BIG-IP Advanced Firewall Manager>=14.1.0<14.1.4.3
F5 BIG-IP Advanced Firewall Manager>=15.1.0<15.1.3.1
F5 BIG-IP Advanced Firewall Manager>=16.0.0<16.0.1.2
F5 BIG-IP Advanced WAF/ASM>=12.1.0<=12.1.6
F5 BIG-IP Advanced WAF/ASM>=13.1.0<13.1.4.1
F5 BIG-IP Advanced WAF/ASM>=14.1.0<14.1.4.3
F5 BIG-IP Advanced WAF/ASM>=15.1.0<15.1.3.1
F5 BIG-IP Advanced WAF/ASM>=16.0.0<16.0.1.2
F5 BIG-IP Analytics>=12.1.0<=12.1.6
F5 BIG-IP Analytics>=13.1.0<13.1.4.1
F5 BIG-IP Analytics>=14.1.0<14.1.4.3
F5 BIG-IP Analytics>=15.1.0<15.1.3.1
F5 BIG-IP Analytics>=16.0.0<16.0.1.2
F5 BIG-IP Application Acceleration Manager>=12.1.0<=12.1.6
F5 BIG-IP Application Acceleration Manager>=13.1.0<13.1.4.1
F5 BIG-IP Application Acceleration Manager>=14.1.0<14.1.4.3
F5 BIG-IP Application Acceleration Manager>=15.1.0<15.1.3.1
F5 BIG-IP Application Acceleration Manager>=16.0.0<16.0.1.2
F5 Application Security Manager>=12.1.0<=12.1.6
F5 Application Security Manager>=13.1.0<13.1.4.1
F5 Application Security Manager>=14.1.0<14.1.4.3
F5 Application Security Manager>=15.1.0<15.1.3.1
F5 Application Security Manager>=16.0.0<16.0.1.2
F5 BIG-IP DDoS Hybrid Defender>=12.1.0<=12.1.6
F5 BIG-IP DDoS Hybrid Defender>=13.1.0<13.1.4.1
F5 BIG-IP DDoS Hybrid Defender>=14.1.0<14.1.4.3
F5 BIG-IP DDoS Hybrid Defender>=15.1.0<15.1.3.1
F5 BIG-IP DDoS Hybrid Defender>=16.0.0<16.0.1.2
F5 BIG-IP>=12.1.0<=12.1.6
F5 BIG-IP>=13.1.0<13.1.4.1
F5 BIG-IP>=14.1.0<14.1.4.3
F5 BIG-IP>=15.1.0<15.1.3.1
F5 BIG-IP>=16.0.0<16.0.1.2
F5 BIG-IP Fraud Protection Service>=12.1.0<=12.1.6
F5 BIG-IP Fraud Protection Service>=13.1.0<13.1.4.1
F5 BIG-IP Fraud Protection Service>=14.1.0<14.1.4.3
F5 BIG-IP Fraud Protection Service>=15.1.0<15.1.3.1
F5 BIG-IP Fraud Protection Service>=16.0.0<16.0.1.2
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.6
Riverbed SteelApp Traffic Manager>=13.1.0<13.1.4.1
Riverbed SteelApp Traffic Manager>=14.1.0<14.1.4.3
Riverbed SteelApp Traffic Manager>=15.1.0<15.1.3.1
Riverbed SteelApp Traffic Manager>=16.0.0<16.0.1.2
F5 BIG-IP Link Controller>=12.1.0<=12.1.6
F5 BIG-IP Link Controller>=13.1.0<13.1.4.1
F5 BIG-IP Link Controller>=14.1.0<14.1.4.3
F5 BIG-IP Link Controller>=15.1.0<15.1.3.1
F5 BIG-IP Link Controller>=16.0.0<16.0.1.2
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.6
Riverbed SteelApp Traffic Manager>=13.1.0<13.1.4.1
Riverbed SteelApp Traffic Manager>=14.1.0<14.1.4.3
Riverbed SteelApp Traffic Manager>=15.1.0<15.1.3.1
Riverbed SteelApp Traffic Manager>=16.0.0<16.0.1.2
F5 BIG-IP Policy Enforcement Manager>=12.1.0<=12.1.6
F5 BIG-IP Policy Enforcement Manager>=13.1.0<13.1.4.1
F5 BIG-IP Policy Enforcement Manager>=14.1.0<14.1.4.3
F5 BIG-IP Policy Enforcement Manager>=15.1.0<15.1.3.1
F5 BIG-IP Policy Enforcement Manager>=16.0.0<16.0.1.2
F5 BIG-IP SSL Orchestrator>=12.1.0<=12.1.6
F5 BIG-IP SSL Orchestrator>=13.1.0<13.1.4.1
F5 BIG-IP SSL Orchestrator>=14.1.0<14.1.4.3
F5 BIG-IP SSL Orchestrator>=15.1.0<15.1.3.1
F5 BIG-IP SSL Orchestrator>=16.0.0<16.0.1.2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-23045?

    CVE-2021-23045 is rated as a high severity vulnerability due to the impact on the Traffic Management Microkernel.

  • How do I fix CVE-2021-23045?

    To fix CVE-2021-23045, upgrade to the appropriate fixed versions of F5 BIG-IP software as specified in the security advisory.

  • What versions of F5 BIG-IP are affected by CVE-2021-23045?

    CVE-2021-23045 affects F5 BIG-IP versions 12.1.x, 13.1.x, 14.1.x, 15.1.x, and 16.0.x before specific patch releases.

  • What components are impacted by CVE-2021-23045?

    CVE-2021-23045 impacts the Traffic Management Microkernel in various F5 BIG-IP components, including the Access Policy Manager and Local Traffic Manager.

  • Is there a workaround for CVE-2021-23045 if I cannot update?

    There are no official workarounds for CVE-2021-23045; updating to a fixed version is recommended for mitigation.

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