Resource Exhaustion Vulnerability in Zoom On-Premise Meeting Connector
CVE-2021-34415

7.5HIGH

Key Information:

Vendor

Zoom
Status
Zoom On-premise Meeting Connector Controller
Vendor
CVE Published:
27 September 2021

What is CVE-2021-34415?

The On-Premise Meeting Connector for Zoom has a vulnerability in its Zone Controller service that fails to properly verify the 'cnt' field in incoming network packets. This oversight can allow an attacker to exploit the system, leading to resource exhaustion and potential system crashes. Users are urged to update to the latest version to ensure their systems are secure.

Affected Version(s)

Zoom On-Premise Meeting Connector Controller The Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205

References

https://explore.zoom.us/en/trust/security/security-bulletin/
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-34415 : Resource Exhaustion Vulnerability in Zoom On-Premise Meeting Connector