Nessus 8.15.1 Release Notes - 2021-08-10

Changed Functionality and Performance Enhancements

The following additional enhancements are included in Nessus 8.15.1:

  • Improved scan times by enforcing plugin timeout values. Modified the evaluation order for plugin timeout options to allow for timeout value overrides for all plugins.
  • Improved plugin compilation speed.

Bug Fixes

Bug Fix Defect ID Applies to
Improved scan times by fixing an issue that caused slow plugin behavior after a plugin timeout. 01229610, 01237984, 01067282 All Nessus versions
Fixed an issue with memory usage tracking that could cause plugin aborts and Agent connection issues with large Nessus Manager / Agent deployments. 01234799, 01233546, 01226819, 01231815, 01232710, 01240941 All Nessus versions

Upgrade Notes

  • You can upgrade to the latest version of Nessus from any previously supported version.
  • If your upgrade path skips versions of Nessus, Tenable recommends reviewing the release notes for all skipped versions to learn about new features and bug fixes.
  • If you upgrade to this version of Nessus and downgrade later on, run the following command to ensure support for Internet Explorer: nessuscli fix --set ssl_cipher_list=compatible.
  • If you want your scanners to automatically update to the newest version prior to the GA date, set your Nessus Update Plan to Opt in to Early Access releases.
  • If you want to manually update your scanners to the latest version prior to the GA date, disable automatic updates so the scanner does not automatically downgrade to the previous version.
  • For Nessus 8.8.0 and later running on Windows, you must install Visual C++ Redistributable for Visual Studio 2015 on the host operating system. The following Windows versions require a minimum Service Pack to be installed:

    • Windows 7 SP1
    • Windows Server 2008 SP2
    • Windows Server 2008 R2 SP1