CVE-2021-23007
First published: Wed Mar 31 2021(Updated: )
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.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 BIG-IP Access Policy Manager | =14.1.4 | |
| F5 BIG-IP Access Policy Manager | =16.0.1.1 | |
| F5 BIG-IP Advanced Firewall Manager | =14.1.4 | |
| F5 BIG-IP Advanced Firewall Manager | =16.0.1.1 | |
| F5 Big-ip Advanced Web Application Firewall | =14.1.4 | |
| F5 Big-ip Advanced Web Application Firewall | =16.0.1.1 | |
| F5 BIG-IP Analytics | =14.1.4 | |
| F5 BIG-IP Analytics | =16.0.1.1 | |
| F5 Big-ip Application Acceleration Manager | =14.1.4 | |
| F5 Big-ip Application Acceleration Manager | =16.0.1.1 | |
| F5 BIG-IP Application Security Manager | =14.1.4 | |
| F5 BIG-IP Application Security Manager | =16.0.1.1 | |
| F5 Big-ip Ddos Hybrid Defender | =14.1.4 | |
| F5 Big-ip Ddos Hybrid Defender | =16.0.1.1 | |
| F5 Big-ip Domain Name System | =14.1.4 | |
| F5 Big-ip Domain Name System | =16.0.1.1 | |
| F5 Big-ip Edge Gateway | =14.1.4 | |
| F5 Big-ip Edge Gateway | =16.0.1.1 | |
| F5 Big-ip Fraud Protection Service | =14.1.4 | |
| F5 Big-ip Fraud Protection Service | =16.0.1.1 | |
| F5 Big-ip Global Traffic Manager | =14.1.4 | |
| F5 Big-ip Global Traffic Manager | =16.0.1.1 | |
| F5 Big-ip Link Controller | =14.1.4 | |
| F5 Big-ip Link Controller | =16.0.1.1 | |
| F5 Big-ip Local Traffic Manager | =14.1.4 | |
| F5 Big-ip Local Traffic Manager | =16.0.1.1 | |
| F5 Big-ip Policy Enforcement Manager | =14.1.4 | |
| F5 Big-ip Policy Enforcement Manager | =16.0.1.1 | |
| F5 Big-ip Ssl Orchestrator | =14.1.4 | |
| F5 Big-ip Ssl Orchestrator | =16.0.1.1 | |
| F5 Big-ip Webaccelerator | =14.1.4 | |
| F5 Big-ip Webaccelerator | =16.0.1.1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
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.
- collector/nvd-index
- vendor/f5
- canonical/f5 big-ip access policy manager
- version/f5 big-ip access policy manager/14.1.4
- version/f5 big-ip access policy manager/16.0.1.1
- canonical/f5 big-ip advanced firewall manager
- version/f5 big-ip advanced firewall manager/14.1.4
- version/f5 big-ip advanced firewall manager/16.0.1.1
- canonical/f5 big-ip advanced web application firewall
- version/f5 big-ip advanced web application firewall/14.1.4
- version/f5 big-ip advanced web application firewall/16.0.1.1
- canonical/f5 big-ip analytics
- version/f5 big-ip analytics/14.1.4
- version/f5 big-ip analytics/16.0.1.1
- canonical/f5 big-ip application acceleration manager
- version/f5 big-ip application acceleration manager/14.1.4
- version/f5 big-ip application acceleration manager/16.0.1.1
- canonical/f5 big-ip application security manager
- version/f5 big-ip application security manager/14.1.4
- version/f5 big-ip application security manager/16.0.1.1
- canonical/f5 big-ip ddos hybrid defender
- version/f5 big-ip ddos hybrid defender/14.1.4
- version/f5 big-ip ddos hybrid defender/16.0.1.1
- canonical/f5 big-ip domain name system
- version/f5 big-ip domain name system/14.1.4
- version/f5 big-ip domain name system/16.0.1.1
- canonical/f5 big-ip edge gateway
- version/f5 big-ip edge gateway/14.1.4
- version/f5 big-ip edge gateway/16.0.1.1
- canonical/f5 big-ip fraud protection service
- version/f5 big-ip fraud protection service/14.1.4
- version/f5 big-ip fraud protection service/16.0.1.1
- canonical/f5 big-ip global traffic manager
- version/f5 big-ip global traffic manager/14.1.4
- version/f5 big-ip global traffic manager/16.0.1.1
- canonical/f5 big-ip link controller
- version/f5 big-ip link controller/14.1.4
- version/f5 big-ip link controller/16.0.1.1
- canonical/f5 big-ip local traffic manager
- version/f5 big-ip local traffic manager/14.1.4
- version/f5 big-ip local traffic manager/16.0.1.1
- canonical/f5 big-ip policy enforcement manager
- version/f5 big-ip policy enforcement manager/14.1.4
- version/f5 big-ip policy enforcement manager/16.0.1.1
- canonical/f5 big-ip ssl orchestrator
- version/f5 big-ip ssl orchestrator/14.1.4
- version/f5 big-ip ssl orchestrator/16.0.1.1
- canonical/f5 big-ip webaccelerator
- version/f5 big-ip webaccelerator/14.1.4
- version/f5 big-ip webaccelerator/16.0.1.1