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 Software

Searching vulnerabilities affecting “zscaler”

45 vulnerabilities found for “zscaler”

Page 1 of 3

CVE-2026-22567
HIGH7.6

Improper validation of user-supplied input in the ZIA Admin UI could allow an authenticated administrator to initiate backend functions through specific input fields in limited scenarios.

zscaler / zscaler_internet_access_admin_portal
Network
Published Feb 23, 2026
Page 1 of 3
CVE-2026-22568
MEDIUM5.5

Improper neutralization of special elements in user-supplied input within the ZIA Admin UI could allow an authenticated administrator to access or retrieve unauthorized internal information in rare conditions.

zscaler / zscaler_internet_access_admin_portal
Network
Published Feb 23, 2026
CVE-2023-28796
HIGH7.1

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.

zscaler / client_connector
Local
Published Oct 23, 2023
CVE-2021-26734
MEDIUM4.4

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.

zscaler / client_connector
Local
Published Oct 23, 2023
CVE-2023-28793
HIGH7.8

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.

zscaler / client_connector
Local
Published Oct 23, 2023
CVE-2021-26737
MEDIUM5.5

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.

zscaler / client_connector
Local
Published Oct 23, 2023
CVE-2021-26735
MEDIUM6.7

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.

zscaler / client_connector
Local
Published Oct 23, 2023
CVE-2023-28797
MEDIUM6.3

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.

zscaler / client_connector
Local
Published Oct 23, 2023
CVE-2023-28804
HIGH8.2

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

zscaler / client_connector
Network
Published Oct 23, 2023
CVE-2023-28803
MEDIUM5.9

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.

zscaler / client_connector
Adjacent
Published Oct 23, 2023
CVE-2023-28795
HIGH7.8

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.

zscaler / client_connector
Local
Published Oct 23, 2023
CVE-2021-26738
HIGH7.8

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.

zscaler / client_connector
Local
Published Oct 23, 2023
CVE-2021-26736
MEDIUM6.7

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.

zscaler / client_connector
Local
Published Oct 23, 2023
CVE-2023-28801
CRITICAL9.6

An Improper Verification of Cryptographic Signature in the SAML authentication of the Zscaler Admin UI allows a Privilege Escalation.This issue affects Admin UI: from 6.2 before 6.2r.

zscaler / zscaler_internet_access_admin_portal
Network
Published Aug 31, 2023
CVE-2023-28800
HIGH8.1

When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.

zscaler / client_connector+5
Network
Published Jun 22, 2023
CVE-2023-28799
HIGH8.2

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.

zscaler / client_connector+5
Network
Published Jun 22, 2023
CVE-2020-11634
HIGH7.8

The Zscaler Client Connector for Windows prior to 2.1.2.105 had a DLL hijacking vulnerability caused due to the configuration of OpenSSL. A local adversary may be able to execute arbitrary code in the SYSTEM context.

zscaler / client_connector
Local
Published Jul 15, 2021
CVE-2020-11633
CRITICAL9.8

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.

zscaler / client_connector
Network
Published Jul 15, 2021
CVE-2020-11632
HIGH7.8

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.

zscaler / client_connector
Local
Published Jul 15, 2021
CVE-2020-11635
HIGH7.8

The Zscaler Client Connector prior to 3.1.0 did not sufficiently validate RPC clients, which allows a local adversary to execute code with system privileges or perform limited actions for which they did not have privileges.

zscaler / client_connector
Local
Published Feb 16, 2021