CVE-2021-26734

MEDIUM

Zscaler Client Connector < 3.4.0.124 - Privilege Escalation via Directory Junction Mishandling

Title source: llm
STIX 2.1

Description

Zscaler Client Connector Installer on Windows before version 3.4.0.124 improperly handled directory junctions during uninstallation. A local adversary may be able to delete folders in an elevated context.

References (1)

Core 1

Scores

CVSS v3 4.4
EPSS 0.0014
EPSS Percentile 3.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-269
Status published
Products (1)
zscaler/client_connector < 3.4.0.124
Published Oct 23, 2023
Tracked Since Feb 18, 2026