CVE-2020-11633

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CVSS 3.1

9.8 critical

EPSS

2%p78

Published

Jul 15, 2021 (Jul 15, 2021)

Modified

Jun 17, 2026

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.

Vendors: zscaler
Products: client connector
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.9%)

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