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Status published
Medium
CVE-2023-28803
Traffic being bypassed by ZCC by configuring synthetic IP range as local network
Vulnerability Description
An authentication bypass by spoofing of a device with a synthetic IP address is possible in Zscaler Client Connector on Windows, allowing a functionality bypass. This issue affects Client Connector: before 3.9.
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:
- Regions Bank Red Team
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Affected Vendor
Zscaler
View all reports →Affected Software
Client Connector
Vulnerable Versions:
0
Timeline
Official Publish:
October 23rd, 2023
Last Modified:
September 11th, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N