Security vulnerabilities have been identified in older versions of the Zscaler client. To maintain a secure and reliable remote access experience, all CMS contractors must upgrade their Zscaler client to a supported version by August 3.
If you do not upgrade by August 3, your Zscaler access will be revoked and you will no longer be able to access critical CMS resources.
Supported versions:
Windows:
- 4.8.0.232 (recommended)
- 4.7.0.317
- 4.6.0.457
MacOS
- 4.8.0.191 (recommended)
- 4.7.0.292
- 4.5.2.312
How to Verify Your Zscaler Version & Upgrade Instructions
Step-by-step instructions for verifying your current Zscaler version and performing an upgrade are available on the VPN Setup page: "Do I need to update Zscaler?".
For troubleshooting tips, best practices, and remote access guidance, refer to the “Zscaler VPN Frequently Asked Questions (FAQ) for ADOs” located on the VPN Setup Home Page, under the Documentation section.
Using a Company-Provided Zscaler Client?
If your Zscaler client was provided by your company, please contact your IT support team for assistance. They can follow the instructions on the VPN Setup Home Page to ensure proper configuration for CMS access.
Need Help or Have Questions?
If you have questions, please reach out to your Hosting Coordinator. To find the assigned Hosting Coordinator supporting your application(s), visit this page on CCG.
Connect with us via the Slack channel #help-cms-zscaler.
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