Zscaler: Security Vulnerabilities
Anti-tampering can be disabled under certain conditions without signature validation. This affects Zscaler Client Connector <4.2.0.190 with anti-tampering enabled.
CVSS Score
7.8
EPSS Score
0.001
Published
2024-08-06
While copying individual autoupdater log files, reparse point check was missing which could result into crafted attacks, potentially leading to a local privilege escalation. This issue affects Zscaler Client Connector on Windows <4.2.0.190.
CVSS Score
7.3
EPSS Score
0.0
Published
2024-08-06
The Zscaler Updater process does not validate the digital signature of the installer before execution, allowing arbitrary code to be locally executed. This affects Zscaler Client Connector on MacOS <4.2.
CVSS Score
6.4
EPSS Score
0.0
Published
2024-08-06
In certain cases, Zscaler Internet Access (ZIA) can be disabled by PowerShell commands with admin rights. This affects Zscaler Client Connector on Windows <4.2.1
CVSS Score
7.2
EPSS Score
0.001
Published
2024-08-06
An Improper Input Validation vulnerability in Zscaler Client Connector on MacOS allows OS Command Injection. This issue affects Zscaler Client Connector on MacOS <4.2.
CVSS Score
7.0
EPSS Score
0.003
Published
2024-08-06
An Improper Validation of signature in Zscaler Client Connector on Windows allows an authenticated user to disable anti-tampering. This issue affects Client Connector on Windows <4.2.0.190.
CVSS Score
5.7
EPSS Score
0.0
Published
2024-08-06
DHCP can add routes to a client’s routing table via the classless static route option (121). VPN-based security solutions that rely on routes to redirect traffic can be forced to leak traffic over the physical interface. An attacker on the same local network can read, disrupt, or possibly modify network traffic that was expected to be protected by the VPN.
CVSS Score
7.6
EPSS Score
0.019
Published
2024-05-06
In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade network security controls by hiding their communications within legitimate traffic.
CVSS Score
5.1
EPSS Score
0.0
Published
2024-01-31
An Improper Validation of Integrity Check Value in Zscaler Client Connector on Windows allows an authenticated user to disable ZIA/ZPA by interrupting the service restart from Zscaler Diagnostics. This issue affects Client Connector: before 4.2.0.149.
CVSS Score
4.9
EPSS Score
0.001
Published
2023-11-21
Origin Validation Error vulnerability in Zscaler Client Connector on Linux allows Privilege Abuse. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.
CVSS Score
4.3
EPSS Score
0.001
Published
2023-11-06
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