What is the severity of CVE-2019-6686?

CVE-2019-6686 has a critical severity rating due to the potential denial of service caused by the Traffic Management Microkernel becoming unresponsive.

Which BIG-IP versions are affected by CVE-2019-6686?

CVE-2019-6686 affects F5 BIG-IP Local Traffic Manager versions 15.0.0 to 15.0.1.1, 14.1.0 to 14.1.2, 14.0.0 to 14.0.1, and 13.1.0 to 13.1.3.1.

How do I fix CVE-2019-6686?

To remediate CVE-2019-6686, upgrade the affected F5 BIG-IP Local Traffic Manager to a version that is not within the specified ranges.

What impact does CVE-2019-6686 have on services?

CVE-2019-6686 can lead to service disruption as the Traffic Management Microkernel may stop responding when the limit of connections is exceeded.

Is there a workaround for CVE-2019-6686?

There are no documented workarounds for CVE-2019-6686, so upgrading to a patched version is recommended.

Vulnerability/
CVE-2019-6686

medium

5.3

23/12/2019

4/8/2024

CVE-2019-6686

First published: Mon Dec 23 2019(Updated: )

On BIG-IP versions 15.0.0-15.0.1.1, 14.1.0-14.1.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, the Traffic Management Microkernel (TMM) might stop responding after the total number of diameter connections and pending messages on a single virtual server has reached 32K.

Credit: f5sirt@f5.com

Affected Software	Affected Version	How to fix
Riverbed SteelApp Traffic Manager	>=13.1.0<13.1.3.2
Riverbed SteelApp Traffic Manager	>=14.0.0<14.0.1.1
Riverbed SteelApp Traffic Manager	>=14.1.0<14.1.2.1
Riverbed SteelApp Traffic Manager	>=15.0.0<15.1.0

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Reference Links

https://support.f5.com/csp/article/K55812535

Frequently Asked Questions

What is the severity of CVE-2019-6686?
CVE-2019-6686 has a critical severity rating due to the potential denial of service caused by the Traffic Management Microkernel becoming unresponsive.
Which BIG-IP versions are affected by CVE-2019-6686?
CVE-2019-6686 affects F5 BIG-IP Local Traffic Manager versions 15.0.0 to 15.0.1.1, 14.1.0 to 14.1.2, 14.0.0 to 14.0.1, and 13.1.0 to 13.1.3.1.
How do I fix CVE-2019-6686?
To remediate CVE-2019-6686, upgrade the affected F5 BIG-IP Local Traffic Manager to a version that is not within the specified ranges.
What impact does CVE-2019-6686 have on services?
CVE-2019-6686 can lead to service disruption as the Traffic Management Microkernel may stop responding when the limit of connections is exceeded.
Is there a workaround for CVE-2019-6686?
There are no documented workarounds for CVE-2019-6686, so upgrading to a patched version is recommended.

agent/type
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/author
agent/references
agent/description
agent/first-publish-date
agent/event
agent/source
agent/tags
agent/softwarecombine
collector/nvd-index
agent/software-canonical-lookup-request
vendor/f5
canonical/riverbed steelapp traffic manager
version/riverbed steelapp traffic manager/13.1.0
version/riverbed steelapp traffic manager/14.0.0
version/riverbed steelapp traffic manager/14.1.0
version/riverbed steelapp traffic manager/15.0.0

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