CVE-2019-6659
HIGHCVSS 7.5/10EPSS 1.20%
Last modified
CVE-2019-6659 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. On version 14.0.0-14.1.0.1, BIG-IP virtual servers with TLSv1.3 enabled may experience a denial of service due to undisclosed incoming messages.. EPSS estimates a 1.20% chance of exploitation in the next 30 days.
Description
On version 14.0.0-14.1.0.1, BIG-IP virtual servers with TLSv1.3 enabled may experience a denial of service due to undisclosed incoming messages.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Advanced Firewall Manager | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Analytics | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Application Acceleration Manager | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Application Security Manager | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Domain Name System | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Edge Gateway | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Fraud Protection Service | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Global Traffic Manager | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Link Controller | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Local Traffic Manager | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Policy Enforcement Manager | >= 14.0.0, < 14.1.0.2 |
| F5 | Big-Ip Webaccelerator | >= 14.0.0, < 14.1.0.2 |
References
- https://support.f5.com/csp/article/K34450231Vendor Advisory
- https://support.f5.com/csp/article/K34450231Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-6659?
On version 14.0.0-14.1.0.1, BIG-IP virtual servers with TLSv1.3 enabled may experience a denial of service due to undisclosed incoming messages.
How severe is CVE-2019-6659?
CVE-2019-6659 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6659?
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.
Are you affected by CVE-2019-6659?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST