CVE-2024-23461: ZCC macOS Upgrade ZIP Bomb DoS

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-02 · updated 2026-06-17
Weakness: CWE-354

Description

An Improper Validation of Integrity Check Value vulnerability in Zscaler Client Connector on MacOS during the upgrade process may allow a Local Execution of Code.This issue affects Client Connector on MacOS: before 3.4.

Affected products

Zscaler Client Connector: before 3.4 — fixed in 3.4

How to fix

Upgrade to a fixed version: Zscaler Client Connector 3.4. Check the vendor advisory for mitigations.

References

https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=macos&applicable_version=3.4
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=macos&applicable_version=3.4

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