All vulnerabilities

Servers and applications

CVE-2019-6603

In BIG-IP 11.5.1-11.5.8, 11.6.1-11.6.3, 12.1.0-12.1.3, and 13.0.0-13.0.1, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.

Severity
High 7.5
Published
28 Mar 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.8% in the next 30 daysHigher than 78% 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 11.5.1 up to 11.5.8
  • From 11.6.1 up to 11.6.3
  • From 12.1.0 up to 12.1.3
  • From 13.0.0 up to 13.0.1
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 11.5.1 up to 11.5.8
  • From 11.6.1 up to 11.6.3
  • From 12.1.0 up to 12.1.3
  • From 13.0.0 up to 13.0.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-6603
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-6603