Advisory Published

CVE-2023-28802: Disable Zscaler using machine tunnel restart

First published: Tue Nov 21 2023(Updated: )

An Improper Validation of Integrity Check Value in Zscaler Client Connector on Windows allows an authenticated user to disable ZIA/ZPA by interrupting the service restart from Zscaler Diagnostics. This issue affects Client Connector: before


Affected SoftwareAffected VersionHow to fix
Zscaler Client Connector<

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Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2023-28802.

  • How can an authenticated user disable ZIA/ZPA?

    An authenticated user can disable ZIA/ZPA by interrupting the service restart from Zscaler Diagnostics.

  • Which version of Zscaler Client Connector is affected?

    Zscaler Client Connector versions before are affected.

  • What is the severity rating of this vulnerability?

    This vulnerability has a severity rating of medium (5.4).

  • Is there a fix available for this vulnerability?

    Yes, updating Zscaler Client Connector to version or later will fix this vulnerability.


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