CVE-2023-28797: Zscaler Client Connector

High severity, CVSS 7.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Zscaler Client Connector for Windows before 4.1 writes/deletes a configuration file inside specific folders on the disk. A malicious user can replace the folder and execute code as a privileged user.

Affected products

• Zscaler Client Connector: before 4.1 (fixed in 4.1)

Published 2023-10-23. Last modified 2026-06-17.