CVE-2020-5923
First published: Wed 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.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 |
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Reference Links
Frequently Asked Questions
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.
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.
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.
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.
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.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/references
- agent/last-modified-date
- agent/author
- agent/first-publish-date
- agent/description
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/f5
- canonical/f5 big-ip access policy manager
- version/f5 big-ip access policy manager/11.6.1
- version/f5 big-ip access policy manager/12.1.0
- version/f5 big-ip access policy manager/13.1.0
- version/f5 big-ip access policy manager/14.1.0
- version/f5 big-ip access policy manager/15.0.0
- canonical/f5 big-ip advanced firewall manager
- version/f5 big-ip advanced firewall manager/11.6.1
- version/f5 big-ip advanced firewall manager/12.1.0
- version/f5 big-ip advanced firewall manager/13.1.0
- version/f5 big-ip advanced firewall manager/14.1.0
- version/f5 big-ip advanced firewall manager/15.0.0
- canonical/f5 big-ip analytics
- version/f5 big-ip analytics/11.6.1
- version/f5 big-ip analytics/12.1.0
- version/f5 big-ip analytics/13.1.0
- version/f5 big-ip analytics/14.1.0
- version/f5 big-ip analytics/15.0.0
- canonical/f5 big-ip application acceleration manager
- version/f5 big-ip application acceleration manager/11.6.1
- version/f5 big-ip application acceleration manager/12.1.0
- version/f5 big-ip application acceleration manager/13.1.0
- version/f5 big-ip application acceleration manager/14.1.0
- version/f5 big-ip application acceleration manager/15.0.0
- canonical/f5 big-ip application security manager
- version/f5 big-ip application security manager/11.6.1
- version/f5 big-ip application security manager/12.1.0
- version/f5 big-ip application security manager/13.1.0
- version/f5 big-ip application security manager/14.1.0
- version/f5 big-ip application security manager/15.0.0
- canonical/f5 big-ip domain name system
- version/f5 big-ip domain name system/11.6.1
- version/f5 big-ip domain name system/12.1.0
- version/f5 big-ip domain name system/13.1.0
- version/f5 big-ip domain name system/14.1.0
- version/f5 big-ip domain name system/15.0.0
- canonical/f5 big-ip fraud protection service
- version/f5 big-ip fraud protection service/11.6.1
- version/f5 big-ip fraud protection service/12.1.0
- version/f5 big-ip fraud protection service/13.1.0
- version/f5 big-ip fraud protection service/14.1.0
- version/f5 big-ip fraud protection service/15.0.0
- canonical/f5 big-ip global traffic manager
- version/f5 big-ip global traffic manager/11.6.1
- version/f5 big-ip global traffic manager/12.1.0
- version/f5 big-ip global traffic manager/13.1.0
- version/f5 big-ip global traffic manager/14.1.0
- version/f5 big-ip global traffic manager/15.0.0
- canonical/f5 big-ip link controller
- version/f5 big-ip link controller/11.6.1
- version/f5 big-ip link controller/12.1.0
- version/f5 big-ip link controller/13.1.0
- version/f5 big-ip link controller/14.1.0
- version/f5 big-ip link controller/15.0.0
- canonical/f5 big-ip local traffic manager
- version/f5 big-ip local traffic manager/11.6.1
- version/f5 big-ip local traffic manager/12.1.0
- version/f5 big-ip local traffic manager/13.1.0
- version/f5 big-ip local traffic manager/14.1.0
- version/f5 big-ip local traffic manager/15.0.0
- canonical/f5 big-ip policy enforcement manager
- version/f5 big-ip policy enforcement manager/11.6.1
- version/f5 big-ip policy enforcement manager/12.1.0
- version/f5 big-ip policy enforcement manager/13.1.0
- version/f5 big-ip policy enforcement manager/14.1.0
- version/f5 big-ip policy enforcement manager/15.0.0
- canonical/f5 big-iq centralized management
- version/f5 big-iq centralized management/6.0.0
- version/f5 big-iq centralized management/6.1.0
- version/f5 big-iq centralized management/5.4.0
- version/f5 big-iq centralized management/7.0.0