AUGUST 4, 2026
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Case File

CVE-2021-34420

MEDIUM · CVSS 4.7 EPSS 0.39%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-11 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.7. It affects Windows.

CVE
CVE-2021-34420
Severity
MEDIUM
CVSS
4.7
EPSS
0.39%
Windows

Original NVD Description

The Zoom Client for Meetings for Windows installer before version 5.5.4 does not properly verify the signature of files with .msi, .ps1, and .bat extensions. This could lead to a malicious actor installing malicious software on a customer’s computer.

Related CVEs

Other vulnerabilities affecting the same vendor(s)