UpHeron
All vulnerabilities

Servers and applications

CVE-2021-23011

On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, when the BIG-IP system is buffering packet fragments for reassembly, the Traffic Management Microkernel (TMM) may consume an excessive amount of resources, eventually leading to a restart and failover event. Note: Software versions which have…

Severity
High 7.5
Published
10 May 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
11.6.5.3, 12.1.6, 13.1.4, 14.1.4, 15.1.3, 16.0.1.1
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 11.6.1 before 11.6.5.3
  • From 12.1.0 before 12.1.6
  • From 13.1.0 before 13.1.4
  • From 14.1.0 before 14.1.4
  • From 15.1.0 before 15.1.3
  • From 16.0.0 before 16.0.1.1
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 11.6.1 before 11.6.5.3
  • From 12.1.0 before 12.1.6
  • From 13.1.0 before 13.1.4
  • From 14.1.0 before 14.1.4
  • From 15.1.0 before 15.1.3
  • From 16.0.0 before 16.0.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-23011
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-23011