UpHeron
All vulnerabilities

Servers and applications

CVE-2019-6684

On versions 15.0.0-15.0.1.1, 14.0.0-14.1.2.2, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, under certain conditions, a multi-bladed BIG-IP Virtual Clustered Multiprocessing (vCMP) may drop broadcast packets when they are rebroadcast to the vCMP guest secondary blades. An attacker can leverage the fragmented broadcast IP packets to perform any type of fragmentation-based attack.

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, 14.1.2.3, 15.1.0
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 11.5.2 up to 11.6.5
  • From 12.1.0 up to 12.1.5
  • From 13.0.0 before 13.1.3.2
  • From 14.0.0 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 13.0.0 before 13.1.3.2
  • From 14.0.0 before 14.1.2.3
  • From 15.0.0 before 15.1.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-6684
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-6684