SEPTEMBER 30, 2026
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Case File

CVE-2020-11633

CRITICAL · CVSS 9.8 EPSS 1.89%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-15 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Windows.

CVE
CVE-2020-11633
Severity
CRITICAL
CVSS
9.8
EPSS
1.89%
Windows

Original NVD 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 CVEs

Other vulnerabilities affecting the same vendor(s)