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	>=12.1.0<=12.1.6
F5 BIG-IP	>=13.1.0<=13.1.4
F5 BIG-IP	>=14.1.0<14.1.4.4
F5 BIG-IP	>=15.1.0<15.1.3.1
F5 BIG-IP	>=16.0.0<16.1.0

Never miss a vulnerability like this again

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.

agent/severity
agent/references
agent/weakness
agent/author
agent/description
agent/type
agent/event
agent/first-publish-date
agent/softwarecombine
agent/last-modified-date
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/f5
canonical/f5 big-ip
version/f5 big-ip/12.1.0
version/f5 big-ip/12.1.6
version/f5 big-ip/13.1.0
version/f5 big-ip/13.1.4
version/f5 big-ip/14.1.0
version/f5 big-ip/15.1.0
version/f5 big-ip/16.0.0

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.