CVE-2023-28802

5.4 mediumEPSS 0.2%

Medium (5.4) in zscaler client connector. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-31)
CWE: CWE-354
Published: 2023-11-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zscaler:client_connector

References

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

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