medium
5.9
Advisory Published
Updated

CVE-2020-5854

First published: Thu Feb 06 2020(Updated: )

On BIG-IP 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.6.0-11.6.5.1, the tmm crashes under certain circumstances when using the connector profile if a specific sequence of connections are made.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Access Policy Manager>=11.5.2<=11.6.5
F5 Access Policy Manager>=12.1.0<12.1.5.1
F5 Access Policy Manager>=13.1.0<13.1.3.2
F5 Access Policy Manager>=14.0.0<14.0.1.1
F5 Access Policy Manager>=14.1.0<14.1.2.1
F5 Access Policy Manager>=15.0.0<15.1.0
F5 BIG-IP Advanced Firewall Manager>=11.5.2<=11.6.5
F5 BIG-IP Advanced Firewall Manager>=12.1.0<12.1.5.1
F5 BIG-IP Advanced Firewall Manager>=13.1.0<13.1.3.2
F5 BIG-IP Advanced Firewall Manager>=14.0.0<14.0.1.1
F5 BIG-IP Advanced Firewall Manager>=14.1.0<14.1.2.1
F5 BIG-IP Advanced Firewall Manager>=15.0.0<15.1.0
F5 BIG-IP Analytics>=11.5.2<=11.6.5
F5 BIG-IP Analytics>=12.1.0<12.1.5.1
F5 BIG-IP Analytics>=13.1.0<13.1.3.2
F5 BIG-IP Analytics>=14.0.0<14.0.1.1
F5 BIG-IP Analytics>=14.1.0<14.1.2.1
F5 BIG-IP Analytics>=15.0.0<15.1.0
f5 big-ip application acceleration manager>=11.5.2<=11.6.5
f5 big-ip application acceleration manager>=12.1.0<12.1.5.1
f5 big-ip application acceleration manager>=13.1.0<13.1.3.2
f5 big-ip application acceleration manager>=14.0.0<14.0.1.1
f5 big-ip application acceleration manager>=14.1.0<14.1.2.1
f5 big-ip application acceleration manager>=15.0.0<15.1.0
F5 Application Security Manager>=11.5.2<=11.6.5
F5 Application Security Manager>=12.1.0<12.1.5.1
F5 Application Security Manager>=13.1.0<13.1.3.2
F5 Application Security Manager>=14.0.0<14.0.1.1
F5 Application Security Manager>=14.1.0<14.1.2.1
F5 Application Security Manager>=15.0.0<15.1.0
f5 big-ip domain name system>=11.5.2<=11.6.5
f5 big-ip domain name system>=12.1.0<12.1.5.1
f5 big-ip domain name system>=13.1.0<13.1.3.2
f5 big-ip domain name system>=14.0.0<14.0.1.1
f5 big-ip domain name system>=14.1.0<14.1.2.1
f5 big-ip domain name system>=15.0.0<15.1.0
F5 BIG-IP Edge Gateway>=11.5.2<=11.6.5
F5 BIG-IP Edge Gateway>=12.1.0<12.1.5.1
F5 BIG-IP Edge Gateway>=13.1.0<13.1.3.2
F5 BIG-IP Edge Gateway>=14.0.0<14.0.1.1
F5 BIG-IP Edge Gateway>=14.1.0<14.1.2.1
F5 BIG-IP Edge Gateway>=15.0.0<15.1.0
F5 BIG-IP fraud protection services>=11.5.2<=11.6.5
F5 BIG-IP fraud protection services>=12.1.0<12.1.5.1
F5 BIG-IP fraud protection services>=13.1.0<13.1.3.2
F5 BIG-IP fraud protection services>=14.0.0<14.0.1.1
F5 BIG-IP fraud protection services>=14.1.0<14.1.2.1
F5 BIG-IP fraud protection services>=15.0.0<15.1.0
F5 BIG-IP Global Traffic Manager>=11.5.2<=11.6.5
F5 BIG-IP Global Traffic Manager>=12.1.0<12.1.5.1
F5 BIG-IP Global Traffic Manager>=13.1.0<13.1.3.2
F5 BIG-IP Global Traffic Manager>=14.0.0<14.0.1.1
F5 BIG-IP Global Traffic Manager>=14.1.0<14.1.2.1
F5 BIG-IP Global Traffic Manager>=15.0.0<15.1.0
F5 BIG-IP>=11.5.2<=11.6.5
F5 BIG-IP>=12.1.0<12.1.5.1
F5 BIG-IP>=13.1.0<13.1.3.2
F5 BIG-IP>=14.0.0<14.0.1.1
F5 BIG-IP>=14.1.0<14.1.2.1
F5 BIG-IP>=15.0.0<15.1.0
F5 BIG-IP Local Traffic Manager>=11.5.2<=11.6.5
F5 BIG-IP Local Traffic Manager>=12.1.0<12.1.5.1
F5 BIG-IP Local Traffic Manager>=13.1.0<13.1.3.2
F5 BIG-IP Local Traffic Manager>=14.0.0<14.0.1.1
F5 BIG-IP Local Traffic Manager>=14.1.0<14.1.2.1
F5 BIG-IP Local Traffic Manager>=15.0.0<15.1.0
F5 BIG-IP Policy Enforcement Manager>=11.5.2<=11.6.5
F5 BIG-IP Policy Enforcement Manager>=12.1.0<12.1.5.1
F5 BIG-IP Policy Enforcement Manager>=13.1.0<13.1.3.2
F5 BIG-IP Policy Enforcement Manager>=14.0.0<14.0.1.1
F5 BIG-IP Policy Enforcement Manager>=14.1.0<14.1.2.1
F5 BIG-IP Policy Enforcement Manager>=15.0.0<15.1.0
F5 BIG-IP WebAccelerator>=11.5.2<=11.6.5
F5 BIG-IP WebAccelerator>=12.1.0<12.1.5.1
F5 BIG-IP WebAccelerator>=13.1.0<13.1.3.2
F5 BIG-IP WebAccelerator>=14.0.0<14.0.1.1
F5 BIG-IP WebAccelerator>=14.1.0<14.1.2.1
F5 BIG-IP WebAccelerator>=15.0.0<15.1.0
F5 BIG-IP and BIG-IQ Centralized Management>=5.1.0<=5.4.0
F5 BIG-IP and BIG-IQ Centralized Management>=6.0.0<=6.1.0
F5 BIG-IP and BIG-IQ Centralized Management=7.0.0
F5 Enterprise Manager=3.1.1
F5 iWorkflow=2.3.0
F5 Traffix Systems Signaling Delivery Controller>=5.0.0<=5.1.0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-5854?

    CVE-2020-5854 has been classified as a critical vulnerability due to the risk of system crashes affecting service availability.

  • How do I fix CVE-2020-5854?

    To mitigate CVE-2020-5854, upgrade your F5 BIG-IP systems to the latest supported version as specified in the vendor advisory.

  • What versions are affected by CVE-2020-5854?

    CVE-2020-5854 affects F5 BIG-IP versions 11.6.0 to 11.6.5, 12.1.0 to 12.1.5, and several others up to 15.0.1.1.

  • What impact does CVE-2020-5854 have on my systems?

    CVE-2020-5854 can cause the Traffic Management Microkernel (TMM) to crash, potentially leading to denial of service.

  • Is there a workaround for CVE-2020-5854?

    While an immediate workaround is not specified, implementing strict control over connection sequences may help reduce risk until a patch is applied.

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