CVE-2020-5923: Medium severity f5 access policy manager vulnerability
Published Aug 26, 2020
·Updated
In BIG-IP versions 15.0.0-15.1.0.4, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1 and BIG-IQ versions 5.4.0-7.0.0, Self-IP port-lockdown bypass via IPv6 link-local addresses.
Affected Software
58 affected components
F5 BIG-IP Access Policy Manager>=11.6.1<11.6.5.2
F5 BIG-IP Access Policy Manager>=12.1.0<12.1.5.2
F5 BIG-IP Access Policy Manager>=13.1.0<13.1.3.4
F5 BIG-IP Access Policy Manager>=14.1.0<14.1.2.7
F5 BIG-IP Access Policy Manager>=15.0.0<15.1.0.5
F5 BIG-IP Advanced Firewall Manager>=11.6.1<11.6.5.2
F5 BIG-IP Advanced Firewall Manager>=12.1.0<12.1.5.2
F5 BIG-IP Advanced Firewall Manager>=13.1.0<13.1.3.4
F5 BIG-IP Advanced Firewall Manager>=14.1.0<14.1.2.7
F5 BIG-IP Advanced Firewall Manager>=15.0.0<15.1.0.5
F5 BIG-IP Analytics>=11.6.1<11.6.5.2
F5 BIG-IP Analytics>=12.1.0<12.1.5.2
F5 BIG-IP Analytics>=13.1.0<13.1.3.4
F5 BIG-IP Analytics>=14.1.0<14.1.2.7
F5 BIG-IP Analytics>=15.0.0<15.1.0.5
F5 Big-ip Application Acceleration Manager>=11.6.1<11.6.5.2
F5 Big-ip Application Acceleration Manager>=12.1.0<12.1.5.2
F5 Big-ip Application Acceleration Manager>=13.1.0<13.1.3.4
F5 Big-ip Application Acceleration Manager>=14.1.0<14.1.2.7
F5 Big-ip Application Acceleration Manager>=15.0.0<15.1.0.5
F5 BIG-IP Application Security Manager>=11.6.1<11.6.5.2
F5 BIG-IP Application Security Manager>=12.1.0<12.1.5.2
F5 BIG-IP Application Security Manager>=13.1.0<13.1.3.4
F5 BIG-IP Application Security Manager>=14.1.0<14.1.2.7
F5 BIG-IP Application Security Manager>=15.0.0<15.1.0.5
F5 Big-ip Domain Name System>=11.6.1<11.6.5.2
F5 Big-ip Domain Name System>=12.1.0<12.1.5.2
F5 Big-ip Domain Name System>=13.1.0<13.1.3.4
F5 Big-ip Domain Name System>=14.1.0<14.1.2.7
F5 Big-ip Domain Name System>=15.0.0<15.1.0.5
F5 Big-ip Fraud Protection Service>=11.6.1<11.6.5.2
F5 Big-ip Fraud Protection Service>=12.1.0<12.1.5.2
F5 Big-ip Fraud Protection Service>=13.1.0<13.1.3.4
F5 Big-ip Fraud Protection Service>=14.1.0<14.1.2.7
F5 Big-ip Fraud Protection Service>=15.0.0<15.1.0.5
F5 Big-ip Global Traffic Manager>=11.6.1<11.6.5.2
F5 Big-ip Global Traffic Manager>=12.1.0<12.1.5.2
F5 Big-ip Global Traffic Manager>=13.1.0<13.1.3.4
F5 Big-ip Global Traffic Manager>=14.1.0<14.1.2.7
F5 Big-ip Global Traffic Manager>=15.0.0<15.1.0.5
F5 Big-ip Link Controller>=11.6.1<11.6.5.2
F5 Big-ip Link Controller>=12.1.0<12.1.5.2
F5 Big-ip Link Controller>=13.1.0<13.1.3.4
F5 Big-ip Link Controller>=14.1.0<14.1.2.7
F5 Big-ip Link Controller>=15.0.0<15.1.0.5
F5 Big-ip Local Traffic Manager>=11.6.1<11.6.5.2
F5 Big-ip Local Traffic Manager>=12.1.0<12.1.5.2
F5 Big-ip Local Traffic Manager>=13.1.0<13.1.3.4
F5 Big-ip Local Traffic Manager>=14.1.0<14.1.2.7
F5 Big-ip Local Traffic Manager>=15.0.0<15.1.0.5
F5 Big-ip Policy Enforcement Manager>=11.6.1<11.6.5.2
F5 Big-ip Policy Enforcement Manager>=12.1.0<12.1.5.2
F5 Big-ip Policy Enforcement Manager>=13.1.0<13.1.3.4
F5 Big-ip Policy Enforcement Manager>=14.1.0<14.1.2.7
F5 Big-ip Policy Enforcement Manager>=15.0.0<15.1.0.5
F5 BIG-IQ Centralized Management>=6.0.0<=6.1.0
F5 BIG-IQ Centralized Management=5.4.0
F5 BIG-IQ Centralized Management=7.0.0
Event History
Aug 26, 2020
CVE Published
via MITRE·02:41 PM
Data Sourced
via MITRE·02:41 PM
DescriptionWeakness
Frequently Asked Questions
1
What is the severity of CVE-2020-5923?
CVE-2020-5923 has a high severity rating due to the potential for exploitation via unauthorized access.
2
How do I fix CVE-2020-5923?
To fix CVE-2020-5923, users should upgrade their systems to a patched version of BIG-IP or BIG-IQ.
3
What versions are affected by CVE-2020-5923?
CVE-2020-5923 affects specific versions of BIG-IP and BIG-IQ including versions 11.6.1 to 11.6.5.1 and 15.0.0 to 15.1.0.4.
4
What type of vulnerability is CVE-2020-5923?
CVE-2020-5923 is a security vulnerability that allows a bypass of Self-IP port lockdown via IPv6 link-local addresses.
5
Is there any workaround for CVE-2020-5923?
There are no known workarounds for CVE-2020-5923; upgrading to a secure version is the recommended action.