CVE-2021-23007: Medium severity F5 BIG-IP Access Policy Manager vulnerability
On BIG-IP versions 14.1.4 and 16.0.1.1, when the Traffic Management Microkernel (TMM) process handles certain undisclosed traffic, it may start dropping all fragmented IP traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID is CVE-2021-23007.
Which software versions are affected by this vulnerability?
The affected software versions are F5 BIG-IP Access Policy Manager 14.1.4 and 16.0.1.1, F5 BIG-IP Advanced Firewall Manager 14.1.4 and 16.0.1.1, F5 Big-ip Advanced Web Application Firewall 14.1.4 and 16.0.1.1, F5 BIG-IP Analytics 14.1.4 and 16.0.1.1, F5 Big-ip Application Acceleration Manager 14.1.4 and 16.0.1.1, F5 BIG-IP Application Security Manager 14.1.4 and 16.0.1.1, F5 Big-ip Ddos Hybrid Defender 14.1.4 and 16.0.1.1, F5 Big-ip Domain Name System 14.1.4 and 16.0.1.1, F5 Big-ip Edge Gateway 14.1.4 and 16.0.1.1, F5 Big-ip Fraud Protection Service 14.1.4 and 16.0.1.1, F5 Big-ip Global Traffic Manager 14.1.4 and 16.0.1.1, F5 Big-ip Link Controller 14.1.4 and 16.0.1.1, F5 Big-ip Local Traffic Manager 14.1.4 and 16.0.1.1, F5 Big-ip Policy Enforcement Manager 14.1.4 and 16.0.1.1, F5 Big-ip Ssl Orchestrator 14.1.4 and 16.0.1.1, and F5 Big-ip Webaccelerator 14.1.4 and 16.0.1.1.
What is the severity of CVE-2021-23007?
The severity of CVE-2021-23007 is medium, with a score of 5.3 out of 10.
How does the vulnerability impact the system?
The vulnerability may cause the Traffic Management Microkernel (TMM) process to start dropping all fragmented IP traffic.
Is there a fix available for this vulnerability?
Yes, F5 has released a security advisory with instructions on how to mitigate this vulnerability. Please refer to the official F5 support article for more details.