CVE-2023-28802

MEDIUM

Zscaler Client Connector <4.2.0.149 - Privilege Escalation

Title source: llm

Description

An Improper Validation of Integrity Check Value in Zscaler Client Connector on Windows allows an authenticated user to disable ZIA/ZPA by interrupting the service restart from Zscaler Diagnostics. This issue affects Client Connector: before 4.2.0.149.

References (1)

[Release Notes] https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Windows&applicable_version=4.2

Scores

CVSS v3 4.9

EPSS 0.0009

EPSS Percentile 24.9%

Attack Vector PHYSICAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-354

Status published

Products (1)

zscaler/client_connector < 4.2.0.149

Published Nov 21, 2023

Tracked Since Feb 18, 2026