// For flags

CVE-2022-28749

Insufficient Authorization Check During Meeting Join

Severity Score

4.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Zooms On-Premise Meeting Connector MMR versiones anteriores a 4.8.113.20220526, no comprueba correctamente los permisos de los asistentes a las reuniones de Zoom. Como resultado, un actor de la amenaza en la sala de espera de Zooms puede unirse a la reunión sin el consentimiento del anfitrión

*Credits: Reported by Zoom Offensive Security Team
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-04-06 CVE Reserved
  • 2022-06-15 CVE Published
  • 2024-09-16 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://explore.zoom.us/en/trust/security/security-bulletin 2023-08-08
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zoom
Search vendor "Zoom"
 On-premise Meeting Connector Multimedia Router
Search vendor "Zoom" for product "On-premise Meeting Connector Multimedia Router"
 4.8.113.20220526
Search vendor "Zoom" for product "On-premise Meeting Connector Multimedia Router" and version "4.8.113.20220526"
-
Affected