AUGUST 4, 2026
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Case File

CVE-2021-34415

HIGH · CVSS 7.5 EPSS 0.98%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-27 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. See the original NVD description below for full technical details.

CVE
CVE-2021-34415
Severity
HIGH
CVSS
7.5
EPSS
0.98%

Original NVD Description

The Zone Controller service in the Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205 does not verify the cnt field sent in incoming network packets, which leads to exhaustion of resources and system crash.

Related CVEs

Other vulnerabilities affecting the same vendor(s)