Zoom On-Premise Meeting Connector MMR prior Waiting Room permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic has been found in Zoom On-Premise Meeting Connector MMR. Affected is an unknown part of the component Waiting Room Handler. The manipulation with an unknown input leads to a permission vulnerability. CWE is classifying the issue as CWE-275. This is going to have an impact on confidentiality. CVE summarizes:

Zooms On-Premise Meeting Connector MMR before version 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.

The weakness was disclosed 06/16/2022. The advisory is shared for download at explore.zoom.us. This vulnerability is traded as CVE-2022-28749 since 04/06/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1222.

Upgrading to version eliminates this vulnerability.

The entries VDB-245442, VDB-245443, VDB-245445 and VDB-245446 are pretty similar.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍


VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (Zoom Video Communications, Inc.): 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍


Class: Permission
CWE: CWE-275 / CWE-266

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: On-Premise Meeting Connector MMR


04/06/2022 🔍
06/16/2022 +71 days 🔍
06/16/2022 +0 days 🔍
06/17/2022 +1 days 🔍


Advisory: explore.zoom.us
Status: Confirmed

CVE: CVE-2022-28749 (🔍)
See also: 🔍


Created: 06/16/2022 09:31 AM
Updated: 06/17/2022 05:46 PM
Changes: 06/16/2022 09:31 AM (39), 06/17/2022 05:46 PM (12)
Complete: 🔍
Cache ID: 44:223:40


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