CVE-2023-28805

CRITICAL 9.8CVE-2023-28805 · Published 23/10/2023 · updated 17/06/2026

In short

CVE-2023-28805 is a CRITICAL (CVSS 9.8) vulnerability affecting client connector (zscaler).
Chance of exploitation in the next 30 days (EPSS): 0.37%, higher than 31.1% of all vulnerabilities.
Fix: update to 1.4.0.105 or later.

Package	Affected versions	Patched versions
client connector zscaler	`< 1.4.0.105`	`1.4.0.105`

Description

An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation. This issue affects Client Connector: before 1.4.0.105

References

help.zscaler.com/client-connector/client-connector-app-release-summary-2023 · Release Notes

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Package

Affected versions

Patched versions

client connector

zscaler

< 1.4.0.105

1.4.0.105

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