CVE-2023-28803

MediumCVSS 6.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-290

Affected software

No affected versions have been published.

Timeline

Published: Oct 23, 2023
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2023

CVE-2023-288045.3An Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows replacing binaries.This issue CVE-2023-288059.8An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation. This issue affects Client Conne CVE-2023-288066.5An Improper Validation of signature in Zscaler Client Connector on Windows allows an authenticated user to disable anti-tampering. This issu CVE-2023-288077.5In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade CVE-2023-288089.8Some Hikvision Hybrid SAN/Cluster Storage products have an access control vulnerability which can be used to obtain the admin permission. Th CVE-2023-288097.5Some access control products are vulnerable to a session hijacking attack because the product does not update the session ID after a user su CVE-2023-28814.9Storing Passwords in a Recoverable Format in GitHub repository pimcore/customer-data-framework prior to 3.3.10.CVE-2023-288104.3Some access control/intercom products have unauthorized modification of device network configuration vulnerabilities. Attackers can modify d CVE-2023-288116.5There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models. If exploited, an attacker on the same local area ne CVE-2023-288129.8There is a buffer overflow vulnerability in a web browser plug-in could allow an attacker to exploit the vulnerability by sending crafted me CVE-2023-288137.5An attacker could exploit a vulnerability by sending crafted messages to computers installed with this plug-in to modify plug-in parameters,CVE-2023-288149.8Some versions of Hikvision's iSecure Center Product have an improper file upload control vulnerability. Due to the improper verification of