CVE-2021-27018: Puppet Remediate

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

The mechanism which performs certificate validation was discovered to have a flaw that resulted in certificates signed by an internal certificate authority to not be properly validated. This issue only affects clients that are configured to utilize Tenable.sc as the vulnerability data source.

Affected products

• Puppet Remediate: before 2.0.1 (fixed in 2.0.1)

Published 2021-08-30. Last modified 2026-06-17.