CVE-2023-28795 - CVE House

Status published High CVE-2023-28795

Client IPC validation bypass

7.8 CVSS

Vulnerability Description

Origin Validation Error vulnerability in Zscaler Client Connector on Linux allows Inclusion of Code in Existing Process. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Paul Gerste, SonarSource

References

https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux&applicable_version=1.3.1&deployment_date=2022-09-19

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Affected Vendor

Zscaler

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Affected Software

Client Connector

Vulnerable Versions:

Timeline

Official Publish: October 23rd, 2023

Last Modified: February 27th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-346

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

Initial Access

T1190 Exploit Public-Facing Application