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Fencer Intel
high 7.5

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 6y ago modified 4mo 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

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Exploit prediction

1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Sources

Fencer Intel 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.