What is the severity of CVE-2019-6672?

CVE-2019-6672 has a moderate severity rating due to the performance degradation it causes on affected systems.

How do I fix CVE-2019-6672?

To remediate CVE-2019-6672, update the BIG-IP AFM to a version that is not affected by this vulnerability.

Which versions of F5 BIG-IP Advanced Firewall Manager are affected by CVE-2019-6672?

CVE-2019-6672 affects F5 BIG-IP Advanced Firewall Manager versions 13.1.0-13.1.3.1, 14.0.0-14.1.2, and 15.0.0-15.0.1.

What impact does CVE-2019-6672 have on system performance?

CVE-2019-6672 results in degraded system performance specifically when bad-actor detection is configured on a wildcard virtual server.

Is there a workaround for CVE-2019-6672?

F5 has not provided specific workarounds for CVE-2019-6672, and updating to an unaffected version is recommended.

Vulnerability/
CVE-2019-6672

high

7.5

27/11/2019

4/8/2024

CVE-2019-6672

First published: Wed Nov 27 2019(Updated: )

On BIG-IP AFM 15.0.0-15.0.1, 14.0.0-14.1.2, and 13.1.0-13.1.3.1, when bad-actor detection is configured on a wildcard virtual server on platforms with hardware-based sPVA, the performance of the BIG-IP AFM system is degraded.

Credit: f5sirt@f5.com

Affected Software	Affected Version	How to fix
F5 BIG-IP Advanced Firewall Manager	>=13.1.0<=13.1.3.1
F5 BIG-IP Advanced Firewall Manager	>=14.0.0<=14.1.2
F5 BIG-IP Advanced Firewall Manager	>=15.0.0<=15.0.1

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Reference Links

https://support.f5.com/csp/article/K14703097

Frequently Asked Questions

What is the severity of CVE-2019-6672?
CVE-2019-6672 has a moderate severity rating due to the performance degradation it causes on affected systems.
How do I fix CVE-2019-6672?
To remediate CVE-2019-6672, update the BIG-IP AFM to a version that is not affected by this vulnerability.
Which versions of F5 BIG-IP Advanced Firewall Manager are affected by CVE-2019-6672?
CVE-2019-6672 affects F5 BIG-IP Advanced Firewall Manager versions 13.1.0-13.1.3.1, 14.0.0-14.1.2, and 15.0.0-15.0.1.
What impact does CVE-2019-6672 have on system performance?
CVE-2019-6672 results in degraded system performance specifically when bad-actor detection is configured on a wildcard virtual server.
Is there a workaround for CVE-2019-6672?
F5 has not provided specific workarounds for CVE-2019-6672, and updating to an unaffected version is recommended.

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vendor/f5
canonical/f5 big-ip advanced firewall manager
version/f5 big-ip advanced firewall manager/13.1.0
version/f5 big-ip advanced firewall manager/13.1.3.1
version/f5 big-ip advanced firewall manager/14.0.0
version/f5 big-ip advanced firewall manager/14.1.2
version/f5 big-ip advanced firewall manager/15.0.0
version/f5 big-ip advanced firewall manager/15.0.1

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