CVE-2022-28749

Name: CVE-2022-28749
Creator: NVD / NIST
Published: 2022-06-15T21:15:09.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2022-28749 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

0.53%

41.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Zoom	On-Premise Meeting Connector Multimedia Router	4.8.113.20220526

References

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

Timeline

Published: Jun 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28749?

How severe is CVE-2022-28749?

CVE-2022-28749 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28749?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-28749?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST