CVE-2019-6683 json
On versions 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-14.0.1, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, BIG-IP virtual servers wi…
published 2019-12-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-16242
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
On versions 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-14.0.1, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, BIG-IP virtual servers with Loose Initiation enabled on a FastL4 profile may be subject to excessive flow usage under undisclosed conditions.
Patch / fix
- f5 big-ip_access_policy_manager 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_advanced_firewall_manager 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_analytics 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_application_acceleration_manager 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_application_security_manager 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_domain_name_system 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_edge_gateway 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_fraud_protection_service 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_global_traffic_manager 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_link_controller 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_local_traffic_manager 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_policy_enforcement_manager 14.0.1.1, 14.1.2.3, 15.1.0
- f5 big-ip_webaccelerator 14.0.1.1, 14.1.2.3, 15.1.0
Exploit prediction
1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Affected products
- F5 BIG-IP Virtual Edition
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
support.f5.com
/csp/article/K76328112
vendor-advisory
Sources
- CVE List CVE-2019-6683
- NVD CVE-2019-6683
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.