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[R1]Nessus 6.11.3 Fixes Multiple Third-party Vulnerabilities



Nessus leverages third-party software to help provide underlying functionality. One of the third-party components (OpenSSL) was found to contain vulnerabilities, and updated versions have been made available by the providers.

Out of caution and in line with good practice, Tenable opted to upgrade the bundled OpenSSL library to address the potential impact of these issues in Nessus. Nessus 6.11.3 updates OpenSSL to version 1.0.2m to address the identified vulnerabilities.

References for the issues are below:
• OpenSSL Security Bypass Vulnerability (CVE-2017-3735)
• OpenSSL Information Disclosure Vulnerability (CVE-2017-3736)

Note: The CVSSv2 score used in this advisory reflects CVE-2017-3736, as it is considered the highest risk.


Tenable has released Nessus version 6.11.3 to address these issues. To update your Nessus installation, follow these steps:
• Download the appropriate installation file to the system hosting Nessus Professional or Nessus Manager, available at the Tenable Support Portal (https://support.tenable.com/support-center/index.php?x=&mod_id=200)
• Stop the Nessus service.
• Install according to your operating system procedures.
• Restart the Nessus service.

This page contains information regarding security vulnerabilities that may impact Tenable's products. This may include issues specific to our software, or due to the use of third-party libraries within our software. Tenable strongly encourages users to ensure that they upgrade or apply relevant patches in a timely manner.

Tenable takes product security very seriously. If you believe you have found a vulnerability in one of our products, we ask that you please work with us to quickly resolve it in order to protect customers. Tenable believes in responding quickly to such reports, maintaining communication with researchers, and providing a solution in short order.

For more details on submitting vulnerability information, please see our Vulnerability Reporting Guidelines page.

If you have questions or corrections about this advisory, please email [email protected]