Vulnerabilities

An incorrect startup configuration of affected versions of Zscaler Client Connector on Windows may cause a limited amount of traffic from being inspected under rare circumstances.

An Improper Validation of signature in Zscaler Client Connector on Windows allows an authenticated user to disable anti-tampering.

An Improper Input Validation vulnerability in Zscaler Client Connector on MacOS allows OS Command Injection.

The Zscaler Updater process does not validate the digital signature of the installer before execution, allowing arbitrary code to be locally executed.

In certain cases, Zscaler Internet Access (ZIA) can be disabled by PowerShell commands with admin rights.

While copying individual autoupdater log files, reparse point check was missing which could result into crafted attacks, potentially leading to a local privilege escalation.

Anti-tampering can be disabled under certain conditions without signature validation.

DHCP can add routes to a client’s routing table via the classless static route option (121).

An Improper Validation of Integrity Check Value vulnerability in Zscaler Client Connector on MacOS allows a denial of service of the Client Connector binary and thus removing client functionality.This issue affects Clien…

An Improper Validation of Integrity Check Value vulnerability in Zscaler Client Connector on MacOS during the upgrade process may allow a Local Execution of Code.This issue affects Client Connector on MacOS: before 3.4.

An Improper Link Resolution Before File Access ('Link Following') vulnerability in Zscaler Client Connector on Mac allows a system file to be overwritten.This issue affects Zscaler Client Connector on Mac : before 3.7.

An Improper Link Resolution Before File Access ('Link Following') vulnerability in Zscaler Client Connector on Windows allows a system file to be overwritten.This issue affects Client Connector on Windows: before 3.7.

An Improper Validation of Integrity Check Value vulnerability in Zscaler Client Connector on Windows during the Repair App functionality may allow Local Execution of Code.This issue affects Client Connector on Windows: b…

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

A fallback mechanism in code sign checking on macOS may allow arbitrary code execution.

The anti-tampering functionality of the Zscaler Client Connector can be disabled under certain conditions when an uninstall password is enforced.

Anti-tampering protection of the Zscaler Client Connector can be bypassed under certain conditions when running the Repair App functionality.

The ZScaler service is susceptible to a local privilege escalation vulnerability found in the ZScalerService process.

ZSATray passes the previousInstallerName as a config parameter to TrayManager, and TrayManager constructs the path and appends previousInstallerName to get the full path of the exe.

In some rare cases, there is a password type validation missing in Revert Password check and for some features it could be disabled.

An arbitrary file deletion in ZSATrayManager where it protects the temporary encrypted ZApp issue reporting file from the unprivileged end user access and modification.

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.

Origin Validation Error vulnerability in Zscaler Client Connector on Linux allows Privilege Abuse.

An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation.

An Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows replacing binaries.This issue affects Linux Client Connector: before 1.4.0.105