Name: CVE-2020-11633: Out-of-bounds Write
Creator: Rapid7
Published: 2021-07-15T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-11633, CWE-787, CVSS 9.8, EPSS 0.01073

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.

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Zscaler Client Connector	—	Update Zscaler Client Connector to the latest version	Jun 5, 2025	Jul 15, 2021

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CVSS Details

Covered by Rapid7

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