CVE-2024-23463: Anti-Tampering bypass via Repair App functionality

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-30 · updated 2026-06-17
Weakness: CWE-367

Description

Anti-tampering protection of the Zscaler Client Connector can be bypassed under certain conditions when running the Repair App functionality. This affects Zscaler Client Connector on Windows prior to 4.2.1

Affected products

Zscaler Client Connector: before 4.2.1 — fixed in 4.2.1

How to fix

Upgrade to a fixed version: Zscaler Client Connector 4.2.1. Check the vendor advisory for mitigations.

References

https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023

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