CVE-2020-5918: High severity f5 access policy manager vulnerability

Published Aug 26, 2020
·
Updated

In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, the Traffic Management Microkernel (TMM) may stop responding when processing Stream Control Transmission Protocol (SCTP) traffic when traffic volume is high. This vulnerability affects TMM by way of a virtual server configured with an SCTP profile.

Affected Software

66 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<14.1.2.5
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>=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<14.1.2.5
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>=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<14.1.2.5
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>=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<14.1.2.5
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>=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<14.1.2.5
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>=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<14.1.2.5
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>=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<14.1.2.5
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>=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<14.1.2.5
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>=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<14.1.2.5
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>=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<14.1.2.5
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>=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<14.1.2.5
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

Event History

Aug 26, 2020
CVE Published
via MITRE·02:11 PM
Data Sourced
via MITRE·02:11 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2020-5918?

CVE-2020-5918 is classified as a high severity vulnerability that can cause the Traffic Management Microkernel to become unresponsive under high SCTP traffic.

2

What versions of BIG-IP are affected by CVE-2020-5918?

CVE-2020-5918 affects multiple versions of BIG-IP including those from 11.6.1 to 15.1.0.4.

3

How do I fix CVE-2020-5918?

To resolve CVE-2020-5918, upgrade to the latest patched version of BIG-IP that is beyond the vulnerable range specified.

4

What is the impact of exploiting CVE-2020-5918?

Exploiting CVE-2020-5918 can lead to a denial of service, affecting the availability of services managed by BIG-IP.

5

Is there a workaround for CVE-2020-5918?

Currently, the recommended approach is to upgrade to a secure version, as there are no specific workarounds provided for CVE-2020-5918.

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Resources

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