CVE-2019-6603
UnknownEPSS 1.78%
Last modified
CVE-2019-6603 is a vulnerability of currently unknown severity. In BIG-IP 11.5.1-11.5.8, 11.6.1-11.6.3, 12.1.0-12.1.3, and 13.0.0-13.0.1, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. EPSS estimates a 1.78% chance of exploitation in the next 30 days.
Description
In BIG-IP 11.5.1-11.5.8, 11.6.1-11.6.3, 12.1.0-12.1.3, and 13.0.0-13.0.1, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Access Policy Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Access Policy Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Access Policy Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Advanced Firewall Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Advanced Firewall Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Advanced Firewall Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Application Acceleration Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Application Acceleration Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Application Acceleration Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Edge Gateway | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Edge Gateway | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Edge Gateway | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Edge Gateway | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Fraud Protection Service | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Fraud Protection Service | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Fraud Protection Service | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Fraud Protection Service | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Global Traffic Manager | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Global Traffic Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Global Traffic Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Global Traffic Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Link Controller | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Link Controller | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Link Controller | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Link Controller | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Local Traffic Manager | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Local Traffic Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Local Traffic Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Local Traffic Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Policy Enforcement Manager | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Policy Enforcement Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Policy Enforcement Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Policy Enforcement Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Protocol Security Manager | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Protocol Security Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Protocol Security Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Protocol Security Manager | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Webaccelerator | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Webaccelerator | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Webaccelerator | >= 12.0.0, <= 12.1.3 |
| F5 | Big-Ip Webaccelerator | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Analytics | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Analytics | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Analytics | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Analytics | >= 13.0.0, <= 13.0.1 |
| F5 | Big-Ip Application Security Manager | >= 11.5.1, <= 11.5.8 |
| F5 | Big-Ip Application Security Manager | >= 11.6.1, <= 11.6.3 |
Showing 50 of 52 affected configurations. See NVD for the full list.
References
- http://www.securityfocus.com/bid/107625Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K14632915Vendor Advisory
- http://www.securityfocus.com/bid/107625Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K14632915Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-6603?
In BIG-IP 11.5.1-11.5.8, 11.6.1-11.6.3, 12.1.0-12.1.3, and 13.0.0-13.0.1, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.
How severe is CVE-2019-6603?
Severity scoring for CVE-2019-6603 is pending analysis. The EPSS model estimates a 1.78% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6603?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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