The mcollective-puppet-agent plugin before 1.11.1 for Puppet allows remote attackers to execute arbitrary code via vectors involving the --server argument.

mcollective: aes_security.rb file creation vulnerability

The MCollective aes_security plugin, as used in Puppet Enterprise before 3.3.0 and Mcollective before 2.5.3, does not properly validate new server certificates based on the CA certificate, which allows local users to establish unauthorized Mcollective connections via unspecified vectors related to a race condition.