What’s Vulnerable › Vulnerabilities

CVE-2022-28749: Insufficient Authorization Check During Meeting Join

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-06-15 · updated 2026-06-17

Description

Zooms On-Premise Meeting Connector MMR before version 4.8.113.20220526 fails to properly check the permissions of a Zoom meeting attendee. As a result, a threat actor in the Zooms waiting room can join the meeting without the consent of the host.

Affected products

• Zoom Video Communications Inc On-Premise Meeting Connectors: 4.8.113.20220526

References

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

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