CVE-2021-26736

MEDIUM

Zscaler Client Connector < 3.6 - Local Privilege Escalation via Path Traversal

Title source: llm

Description

Multiple vulnerabilities in the Zscaler Client Connector Installer and Uninstaller for Windows prior to 3.6 allowed execution of binaries from a low privileged path. A local adversary may be able to execute code with SYSTEM privileges.

References (1)

Core 1

Core References

Release Notes

https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021

Scores

CVSS v3 6.7

EPSS 0.0022

EPSS Percentile 13.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-20 CWE-22

Status published

Products (1)

zscaler/client_connector < 3.6

Published Oct 23, 2023

Tracked Since Feb 18, 2026