Description

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.

Related CPE's

a

zscaler

client_connector

*

*

*

*

*

windows

Vulnerable

References

https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2020?applicable_category=Windows&applicable_version=2.1.2.81

Vendor Advisory

https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2020?applicable_category=Windows&applicable_version=2.1.2.81

Vendor Advisory

Weaknesses

[email protected]

Primary
CWE-787

CVSS impact metrics

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

9.8 · Critical

Information

Source identifier

[email protected]

Vulnerability status

Modified

Published

2021-07-15T18:15:08.643Z

5 years ago

Last modified

2026-06-17T02:50:31.507Z

3 months ago