7.5
Advisory Published
Updated

CVE-2020-5942

First published: Thu Nov 05 2020(Updated: )

In BIG-IP PEM versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.2.7, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, when processing Capabilities-Exchange-Answer (CEA) packets with certain attributes from the Policy and Charging Rules Function (PCRF) server, the Traffic Management Microkernel (TMM) may generate a core file and restart.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
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<14.1.2.8
F5 BIG-IP Policy Enforcement Manager>=15.1.0<15.1.1
F5 BIG-IP Policy Enforcement Manager>=16.0.0<16.0.1

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Frequently Asked Questions

  • What is the severity of CVE-2020-5942?

    The severity of CVE-2020-5942 is classified as critical due to the potential for remote code execution.

  • How do I fix CVE-2020-5942?

    To fix CVE-2020-5942, update your F5 BIG-IP Policy Enforcement Manager to a version that is not affected by this vulnerability.

  • What versions are affected by CVE-2020-5942?

    CVE-2020-5942 affects F5 BIG-IP Policy Enforcement Manager versions 11.6.1 to 11.6.5.2, 12.1.0 to 12.1.5.2, 13.1.0 to 13.1.3.4, 14.1.0 to 14.1.2.7, 15.1.0 to 15.1.0.5, and 16.0.0 to 16.0.0.1.

  • What are the risks of not addressing CVE-2020-5942?

    Failing to address CVE-2020-5942 may leave your system vulnerable to unauthorized access and potential exploitation.

  • Is there a workaround for CVE-2020-5942?

    Currently, the recommended action for CVE-2020-5942 is to apply the necessary software updates, as no effective workaround has been disclosed.

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