VULNERABILITY INTELLIGENCE

CVE-2021-26737

CVSS score5.5 MEDIUM

EPSS probability0.11%

CISA KEVNot currently listed

Published2023-10-23

Last modified2026-06-17

Description

The Zscaler Client Connector for macOS prior to 3.6 did not sufficiently validate RPC clients. A local adversary without sufficient privileges may be able to shutdown the Zscaler tunnel by exploiting a race condition.