CVE-2016-9599: Openstack Puppet-Tripleo

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

puppet-tripleo before versions 5.5.0, 6.2.0 is vulnerable to an access-control flaw in the IPtables rules management, which allowed the creation of TCP/UDP rules with empty port values. If SSL is enabled, a malicious user could use these open ports to gain access to unauthorized resources.

Affected products

  • Openstack Puppet-Tripleo: version 5.5.0 only; version 6.2.0 only
  • Red Hat Openstack: version 10 only

Published 2018-04-24. Last modified 2026-06-17.