CVE-2024-23457: Anti-tampering can be disabled with uninstall password enforced

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-01 · updated 2026-06-17
Weakness: CWE-269

Description

The anti-tampering functionality of the Zscaler Client Connector can be disabled under certain conditions when an uninstall password is enforced. This affects Zscaler Client Connector on Windows prior to 4.2.0.209

Affected products

Zscaler Client Connector: before 4.2.0.209 — fixed in 4.2.0.209

How to fix

Upgrade to a fixed version: Zscaler Client Connector 4.2.0.209. 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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