CVE-2019-6666: High severity f5 access policy manager vulnerability

Published Nov 27, 2019
·
Updated

On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, and 13.1.0-13.1.1.4, the TMM process may produce a core file when an upstream server or cache sends the BIG-IP an invalid age header value.

Affected Software

52 affected components
F5 BIG-IP Access Policy Manager>=13.1.0<=13.1.1.4
F5 BIG-IP Access Policy Manager>=14.0.0<=14.0.0.4
F5 BIG-IP Access Policy Manager>=14.1.0<=14.1.0.5
F5 BIG-IP Access Policy Manager>=15.0.0<=15.0.1
F5 BIG-IP Advanced Firewall Manager>=13.1.0<=13.1.1.4
F5 BIG-IP Advanced Firewall Manager>=14.0.0<=14.0.0.4
F5 BIG-IP Advanced Firewall Manager>=14.1.0<=14.1.0.5
F5 BIG-IP Advanced Firewall Manager>=15.0.0<=15.0.1
F5 BIG-IP Analytics>=13.1.0<=13.1.1.4
F5 BIG-IP Analytics>=14.0.0<=14.0.0.4
F5 BIG-IP Analytics>=14.1.0<=14.1.0.5
F5 BIG-IP Analytics>=15.0.0<=15.0.1
F5 Big-ip Application Acceleration Manager>=13.1.0<=13.1.1.4
F5 Big-ip Application Acceleration Manager>=14.0.0<=14.0.0.4
F5 Big-ip Application Acceleration Manager>=14.1.0<=14.1.0.5
F5 Big-ip Application Acceleration Manager>=15.0.0<=15.0.1
F5 BIG-IP Application Security Manager>=13.1.0<=13.1.1.4
F5 BIG-IP Application Security Manager>=14.0.0<=14.0.0.4
F5 BIG-IP Application Security Manager>=14.1.0<=14.1.0.5
F5 BIG-IP Application Security Manager>=15.0.0<=15.0.1
F5 Big-ip Domain Name System>=13.1.0<=13.1.1.4
F5 Big-ip Domain Name System>=14.0.0<=14.0.0.4
F5 Big-ip Domain Name System>=14.1.0<=14.1.0.5
F5 Big-ip Domain Name System>=15.0.0<=15.0.1
F5 BIG-IP Edge Gateway>=13.1.0<=13.1.1.4
F5 BIG-IP Edge Gateway>=14.0.0<=14.0.0.4
F5 BIG-IP Edge Gateway>=14.1.0<=14.1.0.5
F5 BIG-IP Edge Gateway>=15.0.0<=15.0.1
F5 Big-ip Fraud Protection Service>=13.1.0<=13.1.1.4
F5 Big-ip Fraud Protection Service>=14.0.0<=14.0.0.4
F5 Big-ip Fraud Protection Service>=14.1.0<=14.1.0.5
F5 Big-ip Fraud Protection Service>=15.0.0<=15.0.1
F5 Big-ip Global Traffic Manager>=13.0.0<=13.1.1.4
F5 Big-ip Global Traffic Manager>=14.0.0<=14.0.0.4
F5 Big-ip Global Traffic Manager>=14.1.0<=14.1.0.5
F5 Big-ip Global Traffic Manager>=15.0.0<=15.0.1
F5 Big-ip Link Controller>=13.1.0<=13.1.1.4
F5 Big-ip Link Controller>=14.0.0<=14.0.0.4
F5 Big-ip Link Controller>=14.1.0<=14.1.0.5
F5 Big-ip Link Controller>=15.0.0<=15.0.1
F5 Big-ip Local Traffic Manager>=13.1.0<=13.1.1.4
F5 Big-ip Local Traffic Manager>=14.0.0<=14.0.0.4
F5 Big-ip Local Traffic Manager>=14.1.0<=14.1.0.5
F5 Big-ip Local Traffic Manager>=15.0.0<=15.0.1
F5 Big-ip Policy Enforcement Manager>=13.1.0<=13.1.1.4
F5 Big-ip Policy Enforcement Manager>=14.0.0<=14.0.0.4
F5 Big-ip Policy Enforcement Manager>=14.1.0<=14.1.0.5
F5 Big-ip Policy Enforcement Manager>=15.0.0<=15.0.1
F5 Big-ip Webaccelerator>=13.1.0<=13.1.1.4
F5 Big-ip Webaccelerator>=14.0.0<=14.0.0.4
F5 Big-ip Webaccelerator>=14.1.0<=14.1.0.5
F5 Big-ip Webaccelerator>=15.0.0<=15.0.1

Event History

Nov 27, 2019
CVE Published
via MITRE·09:54 PM
Data Sourced
via MITRE·09:54 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2019-6666?

CVE-2019-6666 has a medium severity rating due to the potential for the TMM process to produce a core file under certain conditions.

2

How do I fix CVE-2019-6666?

To remediate CVE-2019-6666, it is recommended to upgrade the affected F5 BIG-IP systems to the latest patched versions.

3

What versions of F5 BIG-IP are affected by CVE-2019-6666?

F5 BIG-IP Access Policy Manager, Advanced Firewall Manager, and Analytics versions between 13.1.0 and 15.0.1 are affected by CVE-2019-6666.

4

Is CVE-2019-6666 related to server configurations?

Yes, CVE-2019-6666 can be triggered when an upstream server or cache sends an invalid age header value to the BIG-IP.

5

Will CVE-2019-6666 affect system performance?

While CVE-2019-6666 may lead to core file generation, it does not directly indicate a performance impact on the system.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203