UpHeron
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Servers and applications

CVE-2019-6683

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.

Severity
High 7.5
Published
23 Dec 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
14.0.1.1, 14.1.2.3, 15.1.0
Exploit chance
1% in the next 30 daysHigher than 63% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 11.5.2 up to 11.6.5
  • From 12.1.0 up to 12.1.5
  • From 13.1.0 up to 13.1.3
  • From 14.0.0 before 14.0.1.1
  • From 14.1.0 before 14.1.2.3
  • From 15.0.0 before 15.1.0
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 11.5.2 up to 11.6.5
  • From 12.1.0 up to 12.1.5
  • From 13.1.0 up to 13.1.3
  • From 14.0.0 before 14.0.1.1
  • From 14.1.0 before 14.1.2.3
  • From 15.0.0 before 15.1.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-6683
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-6683