Zoom On-Prem MMR <4.8.129 Improper Access: Hidden Join & Host Takeover
CVE-2022-28753 Published on August 11, 2022
Zoom On-Premise Deployments: Improper Access Control Vulnerability
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.
Vulnerability Analysis
CVE-2022-28753 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a high impact on integrity, and no impact on availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2022-28753 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2022-28753
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Affected Versions
Zoom Video Communications Inc Zoom On-Premise Meeting Connector MMR:- Version unspecified and below 4.8.129.20220714 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.