title: Zoom On-Premise Deployments: Improper Access Control
description: Zoom On-Premise Meeting Connector MMR before version 4.8.20220916.131 contains an improper access control vulnerability. As a result, a malicious actor in a meeting or webinar they are authorized to join could prevent participants from receiving audio and video causing meeting disruptions.
problem types: CWE-284 Improper Access Control
affected:
{
vendor: Zoom Video Communications Inc
product: Zoom On-Premise Meeting Connector MMR
versions:
version: unspecified, lessThan: 4.8.20220916.131, status: affected, versionType: custom
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
baseScore: 6.5
baseSeverity: MEDIUM
]