UpHeron
All vulnerabilities

Servers and applications

CVE-2019-6677

On BIG-IP versions 15.0.0-15.0.1, 14.1.0-14.1.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, and 12.1.0-12.1.5, under certain conditions when using custom TCP congestion control settings in a TCP profile, TMM stops processing traffic when processed by an iRule.

Severity
High 7.5
Published
23 Dec 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
13.1.3.2, 14.0.1.1, 14.1.2.1, 15.0.1.1
Exploit chance
1% in the next 30 daysHigher than 64% 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 12.1.0 up to 12.1.5
  • From 13.1.0 before 13.1.3.2
  • From 14.0.0 before 14.0.1.1
  • From 14.1.0 before 14.1.2.1
  • From 15.0.0 before 15.0.1.1
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 12.1.0 up to 12.1.5
  • From 13.1.0 before 13.1.3.2
  • From 14.0.0 before 14.0.1.1
  • From 14.1.0 before 14.1.2.1
  • From 15.0.0 before 15.0.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-6677
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-6677