CVE-2023-28798

MEDIUM

Published May 2, 2024 Modified Feb 20, 2026 CWE-122 CWE-787

Description

An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution.

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CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-122 CWE-122

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
zscaler	client_connector	< 3.7

References

Advisories & Patches

https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=macOS&applicable_version=3.7&deployment_date=2022-08-19&id=1414851 https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=macOS&applicable_version=3.7&deployment_date=2022-08-19&id=1414851

Frequently Asked Questions

What is CVE-2023-28798? +

An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2023-28798? +

CVE-2023-28798 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-28798? +

CVE-2023-28798 affects products from zscaler, specifically: client_connector. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-28798? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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