Published: 27/09/2021 Updated: 07/10/2021

CVSS v2 Base Score: 6.5 | Impact Score: 6.4 | Exploitability Score: 8

CVSS v3 Base Score: 7.2 | Impact Score: 5.9 | Exploitability Score: 1.2

VMScore: 578

Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

The network proxy page on the web portal for the Zoom on-premise Meeting Connector Controller before version 4.6.348.20201217, Zoom on-premise Meeting Connector MMR before version 4.6.348.20201217, Zoom on-premise Recording Connector before version 3.8.42.20200905, Zoom on-premise Virtual Room Connector before version 4.4.6620.20201110, and Zoom on-premise Virtual Room Connector Load Balancer before version 2.5.5495.20210326 fails to validate input sent in requests to update the network proxy configuration, which could lead to remote command injection on the on-premise image by a web portal administrator.

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zoom meeting connector
zoom recording connector
zoom virtual room connector
zoom virtual room connector load balancer

America, when you're done hitting us with the ban hammer, see these on-prem Zoom vulns, says Positive

The Register • Gareth Corfield • 15 Nov 2021

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US-sanctioned Positive Technologies has pointed out three vulnerabilities in Zoom that can be exploited to crash or hijack on-prem instances of the videoconferencing system. One of the trio of bugs is an input validation flaw, which can be abused by a malicious Zoom portal administrator to inject and execute arbitrary commands on the machine hosting the software. We imagine a scenario in which someone in, say, HR is made an admin of the company Zoom installation, and their work PC is hijacked by...

CVE-2021-34414

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