UpHeron
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Servers and applications

CVE-2020-5921

in BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, Syn flood causes large number of MCPD context messages destined to secondary blades consuming memory leading to MCPD failure. This issue affects only VIPRION hosts with two or more blades installed. Single-blade VIPRION hosts are not affected.

Severity
High 7.5
Published
26 Aug 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 12.1.0 before 12.1.5.2
  • From 14.1.0 before 14.1.2.7
  • From 15.0.0 before 15.0.1.4
  • From 15.1.0 before 15.1.0.5
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 12.1.0 before 12.1.5.2
  • From 14.1.0 before 14.1.2.7
  • From 15.0.0 before 15.0.1.4
  • From 15.1.0 before 15.1.0.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-5921
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-5921