Zscaler Client Connector vulnerabilities

CVE-2023-41973 [HIGH] CWE-22 CVE-2023-41973: ZSATray passes the previousInstallerName as a config parameter to TrayManager, and TrayManager const 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. Fixed Version: Win ZApp 4.3.0.121 and later.

CVE-2024-23482 [HIGH] CWE-20 CVE-2024-23482: The ZScaler service is susceptible to a local privilege escalation vulnerability found in the ZScale The ZScaler service is susceptible to a local privilege escalation vulnerability found in the ZScalerService process. Fixed Version: Mac ZApp 4.2.0.241 and later.

CVE-2023-28802 [MEDIUM] CWE-354 CVE-2023-28802: An Improper Validation of Integrity Check Value in Zscaler Client Connector on Windows allows an aut 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.

CVE-2023-28794 [MEDIUM] CWE-346 CVE-2023-28794: Origin Validation Error vulnerability in Zscaler Client Connector on Linux allows Privilege Abuse. T 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.

CVE-2023-28805 [CRITICAL] CWE-78 CVE-2023-28805: An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Esc An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation. This issue affects Client Connector: before 1.4.0.105

CVE-2021-26736 [HIGH] CWE-20 CVE-2021-26736: Multiple vulnerabilities in the Zscaler Client Connector Installer and Uninstaller for Windows prior Multiple vulnerabilities in the Zscaler Client Connector Installer and Uninstaller for Windows prior to 3.6 allowed execution of binaries from a low privileged path. A local adversary may be able to execute code with SYSTEM privileges.

CVE-2023-28793 [HIGH] CWE-94 CVE-2023-28793: Buffer overflow vulnerability in the signelf library used by Zscaler Client Connector on Linux allow Buffer overflow vulnerability in the signelf library used by Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.

CVE-2023-28796 [HIGH] CWE-94 CVE-2023-28796: Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.

CVE-2021-26735 [HIGH] CWE-346 CVE-2021-26735: The Zscaler Client Connector Installer and Unsintallers for Windows prior to 3.6 had an unquoted sea The Zscaler Client Connector Installer and Unsintallers for Windows prior to 3.6 had an unquoted search path vulnerability. A local adversary may be able to execute code with SYSTEM privileges.

CVE-2023-28795 [HIGH] CWE-346 CVE-2023-28795: Origin Validation Error vulnerability in Zscaler Client Connector on Linux allows Inclusion of Code Origin Validation Error vulnerability in Zscaler Client Connector on Linux allows Inclusion of Code in Existing Process. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.

CVE-2021-26738 [HIGH] CWE-426 CVE-2021-26738: Zscaler Client Connector for macOS prior to 3.7 had an unquoted search path vulnerability via the PA Zscaler Client Connector for macOS prior to 3.7 had an unquoted search path vulnerability via the PATH variable. A local adversary may be able to execute code with root privileges.

CVE-2023-28797 [HIGH] CWE-59 CVE-2023-28797: Zscaler Client Connector for Windows before 4.1 writes/deletes a configuration file inside specific Zscaler Client Connector for Windows before 4.1 writes/deletes a configuration file inside specific folders on the disk. A malicious user can replace the folder and execute code as a privileged user.

CVE-2021-26737 [MEDIUM] CWE-346 CVE-2021-26737: The Zscaler Client Connector for macOS prior to 3.6 did not sufficiently validate RPC clients. A loc The Zscaler Client Connector for macOS prior to 3.6 did not sufficiently validate RPC clients. A local adversary without sufficient privileges may be able to shutdown the Zscaler tunnel by exploiting a race condition.

CVE-2023-28804 [MEDIUM] CWE-347 CVE-2023-28804: An Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Lin 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

CVE-2021-26734 [MEDIUM] CWE-269 CVE-2021-26734: Zscaler Client Connector Installer on Windows before version 3.4.0.124 improperly handled directory Zscaler Client Connector Installer on Windows before version 3.4.0.124 improperly handled directory junctions during uninstallation. A local adversary may be able to delete folders in an elevated context.

CVE-2023-28803 [MEDIUM] CWE-290 CVE-2023-28803: An authentication bypass by spoofing of a device with a synthetic IP address is possible in Zscaler 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.

CVE-2023-28800 [MEDIUM] CWE-79 CVE-2023-28800: When using local accounts for administration, the redirect url parameter was not encoded correctly, When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.

CVE-2023-28799 [MEDIUM] CWE-1287 CVE-2023-28799: A URL parameter during login flow was vulnerable to injection. An attacker could insert a malicious A URL parameter during login flow was vulnerable to injection. An attacker could insert a malicious domain in this parameter, which would redirect the user after auth and send the authorization token to the redirected domain.

CVE-2020-11633 [CRITICAL] CWE-787 CVE-2020-11633: The Zscaler Client Connector for Windows prior to 2.1.2.74 had a stack based buffer overflow when co The Zscaler Client Connector for Windows prior to 2.1.2.74 had a stack based buffer overflow when connecting to misconfigured TLS servers. An adversary would potentially have been able to execute arbitrary code with system privileges.

CVE-2020-11632 [HIGH] CWE-428 CVE-2020-11632: The Zscaler Client Connector prior to 2.1.2.150 did not quote the search path for services, which al The Zscaler Client Connector prior to 2.1.2.150 did not quote the search path for services, which allows a local adversary to execute code with system privileges.