Read the docs
TI-2022-11384 Aliases CVE-2022-28754GHSA-gp5g-vm23-75fq

Zoom On-Premise Deployments: Improper Access Control Vulnerability

Priority LOW 32CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

Zoom On-Premise Meeting Connector MMR before version 4.8.129.20220714 contains an improper access control vulnerability. As a result, a malicious actor can join a meeting which they are authorized to join without appearing to the other participants, can admit themselves into the meeting from the waiting room, and can become host and cause other meeting disruptions.

Why it matters now

EPSS 0.00561 46th percentileScored 2026-11-07
Fix Fixed Zoom On-Premise Meeting Connector MMR (Zoom Video Communications Inc): 4.8.129.20220714

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Zoom Video Communications, Inc.Zoom On-Premise Meeting Connector MMRbefore 4.8.129.202207144.8.129.20220714Patch availableCNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:zoom:meeting_connector:*:*:*:*:*:*:*:*before 4.8.129.20220714VulnerableZoom Video Communications, Inc.

Remediation

  • Fix · CNA Zoom On-Premise Meeting Connector MMR (Zoom Video Communications Inc) Fixed in 4.8.129.20220714

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Zoom On-Premise Meeting Connector MMR 4.8.129.20220714

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2022-11383 Zoom On-Premise Deployments: Improper Access Control VulnerabilityPriority LOW 32

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-28754
  2. 2026-10-03 Alias added: GHSA-gp5g-vm23-75fq

References

  • TI-2022-11380 Zoom On-Premise Deployments: Stack Buffer Overflow in Meeting Connector CVSS 3.1CRITICAL 9.8
  • TI-2021-13450 Improper input validation in Zoom On-Premise Meeting Connector Controller, Zoom… CVSS 3.1CRITICAL 9.8
  • TI-2021-13449 Resource allocation without limits in Zoom On-Premise Meeting Connector Controller CVSS 3.1HIGH 7.5
  • TI-2021-13448 Improper input validation in Zoom on-premise Meeting Connector Controller, Zoom… CVSS 3.1HIGH 7.2
  • TI-2022-11383 Zoom On-Premise Deployments: Improper Access Control Vulnerability CVSS 3.1HIGH 7.1

Sources