CVE-2020-10749: Fedoraproject Fedora

Medium severity, CVSS 6.0. EPSS: 2.4% chance of exploitation in the next 30 days.

A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that allows malicious containers in Kubernetes clusters to perform man-in-the-middle (MitM) attacks. A malicious container can exploit this flaw by sending rogue IPv6 router advertisements to the host or other containers, to redirect traffic to the malicious container.

Affected products

  • Fedoraproject Fedora: version 32 only
  • Linuxfoundation Cni Network Plugins: before 0.8.6 (fixed in 0.8.6)
  • Red Hat Enterprise Linux: version 7.0 only; version 8.0 only
  • Red Hat Openshift Container Platform: version 4.0 only

Published 2020-06-03. Last modified 2026-06-17.