CVE-2023-28793: Zscaler Client Connector

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Buffer overflow vulnerability in the signelf library used by Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.

Affected products

• Zscaler Client Connector: before 1.3.1.6 (fixed in 1.3.1.6)

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