high
7.5
Advisory Published
Updated

CVE-2020-5921

First published: Wed Aug 26 2020(Updated: )

in BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, Syn flood causes large number of MCPD context messages destined to secondary blades consuming memory leading to MCPD failure. This issue affects only VIPRION hosts with two or more blades installed. Single-blade VIPRION hosts are not affected.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 BIG-IP Access Policy Manager>=12.1.0<12.1.5.2
F5 BIG-IP Access Policy Manager>=14.1.0<14.1.2.7
F5 BIG-IP Access Policy Manager>=15.0.0<15.0.1.4
F5 BIG-IP Access Policy Manager>=15.1.0<15.1.0.5
F5 BIG-IP Advanced Firewall Manager>=12.1.0<12.1.5.2
F5 BIG-IP Advanced Firewall Manager>=14.1.0<14.1.2.7
F5 BIG-IP Advanced Firewall Manager>=15.0.0<15.0.1.4
F5 BIG-IP Advanced Firewall Manager>=15.1.0<15.1.0.5
F5 BIG-IP Analytics>=12.1.0<12.1.5.2
F5 BIG-IP Analytics>=14.1.0<14.1.2.7
F5 BIG-IP Analytics>=15.0.0<15.0.1.4
F5 BIG-IP Analytics>=15.1.0<15.1.0.5
F5 Big-ip Application Acceleration Manager>=12.1.0<12.1.5.2
F5 Big-ip Application Acceleration Manager>=14.1.0<14.1.2.7
F5 Big-ip Application Acceleration Manager>=15.0.0<15.0.1.4
F5 Big-ip Application Acceleration Manager>=15.1.0<15.1.0.5
F5 BIG-IP Application Security Manager>=12.1.0<12.1.5.2
F5 BIG-IP Application Security Manager>=14.1.0<14.1.2.7
F5 BIG-IP Application Security Manager>=15.0.0<15.0.1.4
F5 BIG-IP Application Security Manager>=15.1.0<15.1.0.5
F5 Big-ip Domain Name System>=12.1.0<12.1.5.2
F5 Big-ip Domain Name System>=14.1.0<14.1.2.7
F5 Big-ip Domain Name System>=15.0.0<15.0.1.4
F5 Big-ip Domain Name System>=15.1.0<15.1.0.5
F5 Big-ip Fraud Protection Service>=12.1.0<12.1.5.2
F5 Big-ip Fraud Protection Service>=14.1.0<14.1.2.7
F5 Big-ip Fraud Protection Service>=15.0.0<15.0.1.4
F5 Big-ip Fraud Protection Service>=15.1.0<15.1.0.5
F5 Big-ip Global Traffic Manager>=12.1.0<12.1.5.2
F5 Big-ip Global Traffic Manager>=14.1.0<14.1.2.7
F5 Big-ip Global Traffic Manager>=15.0.0<15.0.1.4
F5 Big-ip Global Traffic Manager>=15.1.0<15.1.0.5
F5 Big-ip Link Controller>=12.1.0<12.1.5.2
F5 Big-ip Link Controller>=14.1.0<14.1.2.7
F5 Big-ip Link Controller>=15.0.0<15.0.1.4
F5 Big-ip Link Controller>=15.1.0<15.1.0.5
F5 Big-ip Local Traffic Manager>=12.1.0<12.1.5.2
F5 Big-ip Local Traffic Manager>=14.1.0<14.1.2.7
F5 Big-ip Local Traffic Manager>=15.0.0<15.0.1.4
F5 Big-ip Local Traffic Manager>=15.1.0<15.1.0.5
F5 Big-ip Policy Enforcement Manager>=12.1.0<12.1.5.2
F5 Big-ip Policy Enforcement Manager>=14.1.0<14.1.2.7
F5 Big-ip Policy Enforcement Manager>=15.0.0<15.0.1.4
F5 Big-ip Policy Enforcement Manager>=15.1.0<15.1.0.5

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