Client Connector
CVE-2023-28805: ZCC on Linux privilege escalation
An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 6.7
EPSS0.35%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Client Connector 0 | 1.4.0.105 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation. This issue affects Client Connector: before 1.4.0.105
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.