UpHeron
All vulnerabilities

Servers and applications

CVE-2020-5876

On BIG-IP 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, a race condition exists where mcpd and other processes may make unencrypted connection attempts to a new configuration sync peer. The race condition can occur when changing the ConfigSync IP address of a peer, adding a new peer, or when the Traffic Management Microkernel (TMM) first starts up.

Severity
High 8.1
Published
30 Apr 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 11.6.1 up to 11.6.5.1
  • From 12.1.0 up to 12.1.5.1
  • From 13.1.0 up to 13.1.3.3
  • From 14.1.0 up to 14.1.2.3
  • From 15.0.0 up to 15.1.0.3
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 11.6.1 up to 11.6.5.1
  • From 12.1.0 up to 12.1.5.1
  • From 13.1.0 up to 13.1.3.3
  • From 14.1.0 up to 14.1.2.3
  • From 15.0.0 up to 15.1.0.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-5876
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-5876