Resource exhaustion in Zoom Meeting Connector

CVE-2021-34415

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.

EPSS: 0.010 (58.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Zoom Meeting_connector
  • N/a Zoom On-premise Meeting Connector Controller — versions The Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-34415?
CVE-2021-34415 is a high-severity vulnerability in Zoom Meeting Connector, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2021-09-27.
How severe is CVE-2021-34415?
High severity. CVSS v3 base score is 7.5 out of 10.