What is the severity of CVE-2021-23032?

CVE-2021-23032 has a CVSS score indicating a medium severity vulnerability that affects F5 BIG-IP DNS systems.

How do I fix CVE-2021-23032?

To fix CVE-2021-23032, upgrade your F5 BIG-IP DNS to the latest version that is not affected.

What are the affected versions in CVE-2021-23032?

CVE-2021-23032 affects versions 12.1.x to 12.1.6, 13.1.x, 14.1.x up to 14.1.4.4, 15.1.x up to 15.1.3.1, and 16.0.x up to 16.1.0.

Who is affected by CVE-2021-23032?

Network administrators using F5 BIG-IP DNS with non-default Wide IP and pool settings are affected by CVE-2021-23032.

Vulnerability/
CVE-2021-23032

high

7.5

CWE

14/9/2021

27/9/2021

CVE-2021-23032: Input Validation

Q: What is the impact of CVE-2021-23032 on my system?

The impact of CVE-2021-23032 can cause the Traffic Management Microkernel (TMM) to terminate, disrupting DNS service.

First published: Tue Sep 14 2021(Updated: )

On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x and 12.1.x, when a BIG-IP DNS system is configured with non-default Wide IP and pool settings, undisclosed DNS responses can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Credit: f5sirt@f5.com

Affected Software	Affected Version	How to fix
F5 Big-ip Domain Name System	>=12.1.0<=12.1.6
F5 Big-ip Domain Name System	>=13.1.0<=13.1.4
F5 Big-ip Domain Name System	>=14.1.0<14.1.4.4
F5 Big-ip Domain Name System	>=15.1.0<15.1.3.1
F5 Big-ip Domain Name System	>=16.0.0<16.1.0

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Reference Links

https://support.f5.com/csp/article/K45407662

Frequently Asked Questions

What is the severity of CVE-2021-23032?
CVE-2021-23032 has a CVSS score indicating a medium severity vulnerability that affects F5 BIG-IP DNS systems.
How do I fix CVE-2021-23032?
To fix CVE-2021-23032, upgrade your F5 BIG-IP DNS to the latest version that is not affected.
What are the affected versions in CVE-2021-23032?
CVE-2021-23032 affects versions 12.1.x to 12.1.6, 13.1.x, 14.1.x up to 14.1.4.4, 15.1.x up to 15.1.3.1, and 16.0.x up to 16.1.0.
What is the impact of CVE-2021-23032 on my system?
The impact of CVE-2021-23032 can cause the Traffic Management Microkernel (TMM) to terminate, disrupting DNS service.
Who is affected by CVE-2021-23032?
Network administrators using F5 BIG-IP DNS with non-default Wide IP and pool settings are affected by CVE-2021-23032.

collector/nvd-index
agent/severity
agent/references
agent/weakness
agent/author
agent/description
agent/tags
agent/type
agent/event
agent/first-publish-date
vendor/f5
canonical/f5 big-ip domain name system
version/f5 big-ip domain name system/12.1.0
version/f5 big-ip domain name system/12.1.6
version/f5 big-ip domain name system/13.1.0
version/f5 big-ip domain name system/13.1.4
version/f5 big-ip domain name system/14.1.0
version/f5 big-ip domain name system/15.1.0
version/f5 big-ip domain name system/16.0.0

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Frequently Asked Questions

What is the severity of CVE-2021-23032?
CVE-2021-23032 has a CVSS score indicating a medium severity vulnerability that affects F5 BIG-IP DNS systems.
How do I fix CVE-2021-23032?
To fix CVE-2021-23032, upgrade your F5 BIG-IP DNS to the latest version that is not affected.
What are the affected versions in CVE-2021-23032?
CVE-2021-23032 affects versions 12.1.x to 12.1.6, 13.1.x, 14.1.x up to 14.1.4.4, 15.1.x up to 15.1.3.1, and 16.0.x up to 16.1.0.
What is the impact of CVE-2021-23032 on my system?
The impact of CVE-2021-23032 can cause the Traffic Management Microkernel (TMM) to terminate, disrupting DNS service.
Who is affected by CVE-2021-23032?
Network administrators using F5 BIG-IP DNS with non-default Wide IP and pool settings are affected by CVE-2021-23032.