CVE-2023-28805

ZCC on Linux privilege escalation

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Published Oct 23, 2023 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Zscaler

Client Connector

unaffected

Version	Status	Constraints
`0`	affected	< 1.4.0.105

Configuration 1 [-]

cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:linux:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-32440	An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation. This issue affects Client Connector: before 1.4.0.105

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.372% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023

History

Mar 4, 2025 3:45 AM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Oct 17, 2024 4:30 PM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses	CWE-20

Oct 17, 2024 3:30 PM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-78

Subscriptions

Zscaler Client Connector

Weaknesses

Sources

CVE record Updated: Feb 27, 2025, 8:39 PM

Status: PUBLISHED
Assigner: Zscaler
Published: Oct 23, 2023, 1:33 PM
Updated: Feb 27, 2025, 8:39 PM
Reserved: Mar 23, 2023, 6:29 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 1:51 PM

Updated: Aug 2, 2024, 1:51 PM

NVD Updated: Jun 17, 2026, 5:48 AM

Status: Modified
Published: Oct 23, 2023, 2:15 PM
Modified: Jun 17, 2026, 5:48 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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