CVE-2020-27717: High severity f5 big-ip vulnerability
On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.2, undisclosed series of DNS requests may cause TMM to restart and generate a core file.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-27717?
CVE-2020-27717 is classified as a moderate severity vulnerability that impacts the stability of the BIG-IP DNS.
How do I fix CVE-2020-27717?
To fix CVE-2020-27717, users should upgrade their BIG-IP DNS systems to a version that is not affected, specifically any version above 16.0.1, 15.1.1, 14.1.3.1, 13.1.3.5, or 12.1.5.
What causes the vulnerabilities in CVE-2020-27717?
The vulnerabilities in CVE-2020-27717 are caused by an undisclosed series of DNS requests that may lead to the Traffic Management Microkernel (TMM) restarting.
Which versions of BIG-IP DNS are affected by CVE-2020-27717?
CVE-2020-27717 affects BIG-IP DNS versions 12.1.0 through 12.1.5.2, 13.1.0 through 13.1.3.4, 14.1.0 through 14.1.3, 15.1.0 through 15.1.0.5, and 16.0.0 through 16.0.0.1.
Is there a known workaround for CVE-2020-27717?
Currently, there are no official workarounds for CVE-2020-27717, and the best course of action is to apply the recommended software upgrades.