CVE-2018-11749: Puppet Enterprise

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

When users are configured to use startTLS with RBAC LDAP, at login time, the user's credentials are sent via plaintext to the LDAP server. This affects Puppet Enterprise 2018.1.3, 2017.3.9, and 2016.4.14, and is fixed in Puppet Enterprise 2018.1.4, 2017.3.10, and 2016.4.15. It scored an 8.5 CVSS score.

Affected products

• Puppet Puppet Enterprise: up to and including 2016.4.14; from 2017.3.0, up to and including 2017.3.9; from 2018.1.0, up to and including 2018.1.3

Published 2018-08-24. Last modified 2026-06-17.