7.5
Advisory Published
Updated

CVE-2020-5946

First published: Thu Nov 05 2020(Updated: )

In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, under some circumstances, certain format client-side alerts sent to the BIG-IP virtual server configured with DataSafe may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 BIG-IP Advanced WAF/ASM>=14.1.0<14.1.2.8
F5 BIG-IP Advanced WAF/ASM>15.1.0<15.1.1
F5 BIG-IP Advanced WAF/ASM>=16.0.0<16.0.1
F5 BIG-IP Fraud Protection Service>=14.1.0<14.1.2.8
F5 BIG-IP Fraud Protection Service>=15.1.0<15.1.1
F5 BIG-IP Fraud Protection Service>=16.0.0<16.0.1

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Frequently Asked Questions

  • What is the severity of CVE-2020-5946?

    CVE-2020-5946 is rated as a medium severity vulnerability.

  • How do I fix CVE-2020-5946?

    To fix CVE-2020-5946, upgrade to a patched version of F5 BIG-IP Advanced WAF or FPS that is not vulnerable.

  • Which versions are affected by CVE-2020-5946?

    CVE-2020-5946 affects BIG-IP versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7.

  • What does CVE-2020-5946 allow an attacker to do?

    CVE-2020-5946 may allow an attacker to cause a Denial of Service by triggering the Traffic Management Microkernel to restart.

  • Is CVE-2020-5946 a remote or local vulnerability?

    CVE-2020-5946 is considered a remote vulnerability as it can be exploited from a distance.

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