CVE-2023-28804: Zscaler Client Connector

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

An Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows replacing binaries.This issue affects Linux Client Connector: before 1.4.0.105

Affected products

• Zscaler Client Connector: before 1.4.0.105 (fixed in 1.4.0.105)

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