7.4
CWE
295
Advisory Published
Updated

CVE-2017-11506

First published: Wed Aug 09 2017(Updated: )

When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager's TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks.

Credit: vulnreport@tenable.com

Affected SoftwareAffected VersionHow to fix
Tenable Nessus=6.0.0
Tenable Nessus=6.0.1
Tenable Nessus=6.0.2
Tenable Nessus=6.1.0
Tenable Nessus=6.1.1
Tenable Nessus=6.1.2
Tenable Nessus=6.2.0
Tenable Nessus=6.2.1
Tenable Nessus=6.3.0
Tenable Nessus=6.3.1
Tenable Nessus=6.3.2
Tenable Nessus=6.3.3
Tenable Nessus=6.3.4
Tenable Nessus=6.3.5
Tenable Nessus=6.3.6
Tenable Nessus=6.3.7
Tenable Nessus=6.4.0
Tenable Nessus=6.4.1
Tenable Nessus=6.4.2
Tenable Nessus=6.4.3
Tenable Nessus=6.5.0
Tenable Nessus=6.5.1
Tenable Nessus=6.5.2
Tenable Nessus=6.5.3
Tenable Nessus=6.5.4
Tenable Nessus=6.5.5
Tenable Nessus=6.5.6
Tenable Nessus=6.6.0
Tenable Nessus=6.6.1
Tenable Nessus=6.6.2
Tenable Nessus=6.7.0
Tenable Nessus=6.8.0
Tenable Nessus=6.8.1
Tenable Nessus=6.9.0
Tenable Nessus=6.9.1
Tenable Nessus=6.9.2
Tenable Nessus=6.9.3
Tenable Nessus=6.10.0
Tenable Nessus=6.10.1
Tenable Nessus=6.10.2
Tenable Nessus=6.10.3
Tenable Nessus=6.10.4
Tenable Nessus=6.10.5
Tenable Nessus=6.10.6
Tenable Nessus=6.10.7
Tenable Nessus=6.10.8
Tenable Nessus=6.10.9

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Frequently Asked Questions

  • What is the severity of CVE-2017-11506?

    CVE-2017-11506 is rated as medium severity due to the potential for man-in-the-middle attacks.

  • How do I fix CVE-2017-11506?

    To fix CVE-2017-11506, update your Nessus installation to version 6.11 or later.

  • Which versions of Nessus are affected by CVE-2017-11506?

    Versions of Nessus prior to 6.11, specifically 6.0.0 through 6.10.9, are affected by CVE-2017-11506.

  • What type of attacks can CVE-2017-11506 allow?

    CVE-2017-11506 can allow attackers to perform man-in-the-middle attacks due to the lack of TLS certificate verification.

  • Is there a workaround for CVE-2017-11506?

    The recommended solution for CVE-2017-11506 is to upgrade to the latest version of Nessus; no temporary workaround is suggested.

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