Tenable.sc leverages third-party software to help provide underlying functionality. Multiple third-party components were found to contain vulnerabilities, and updated versions have been made available by the providers.

Out of caution, and in line with best practice, Tenable has upgraded the bundled components to address the potential impact of these issues. Tenable.sc 5.19.0 updates the following components:

1. Handlebars
CVE-2019-19919
Severity: Critical

2. Underscore
CVE-2021-23358
Severity: High