CVE-2023-28805 | BDVDB-2026-214822 Detail

ZscalerClient Connector

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

Impact#

CAPEC-233 Privilege Escalation

Weaknesses#

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References#

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

Exploit#

No public exploit known

History#

Version 12023-10-23Record published in the CVE List.
Version 22025-02-27Most recent update recorded in the CVE List.

Published

Published: 2023-10-23
Last modified: 2025-02-27

Vendor information

Vendor: Zscaler
Product: Client Connector

All Zscaler vulnerabilities

Score

6.7 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 31.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Command Injection

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.4.0.105
Fixed
1.4.0.105

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.7 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).