CVE-2022-28758

Zoom On-Premise Deployments: Improper Access Control

HIGH
8.2
CVSS Score
Published: September 16, 2022 at 08:13 PM UTC
Updated: June 17, 2026 at 04:38 AM UTC
2 products affected across 2 vendorsOn-Premise Meeting Connector MMRZoom On-Premise Meeting Connector MMR

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Severity
HIGH8.2
Exploit prediction
EPSS 0.7%

Description

Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability. As a result, a malicious actor could obtain the audio and video feed of a meeting they were not authorized to join and cause other meeting disruptions.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.8.20220815.130
Affected range stops below 4.8.20220815.130, so it looks safe — our inference, not a vendor statement
v < 4.8.20220815.130
Affected range stops below 4.8.20220815.130, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

8.2HIGHZoom
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284NVD-CWE-Other

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