Medium severity6.7NVD Advisory· Published Oct 23, 2023· Updated Jun 17, 2026

CVE-2021-26735

Description

The Zscaler Client Connector Installer and Unsintallers for Windows prior to 3.6 had an unquoted search path vulnerability. A local adversary may be able to execute code with SYSTEM privileges.

Affected products

Zscaler/Client Connector2 versions
cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*+ 1 more
- cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*range: <3.6
- (no CPE)range: 0
Zscaler/Zscaler Client Connector Installerllm-create
Range: <3.6

Patches

Vulnerability mechanics

References

help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021nvdRelease Notes

News mentions

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