CVE-2021-34417: high-severity vulnerability in Zoom On-Premise Meeting Connector Controller
Authenticated remote command execution with root privileges via web console in MMR
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.9epss 1.2%
The network proxy page on the web portal for the Zoom On-Premise Meeting Connector Controller before version 4.6.365.20210703, Zoom On-Premise Meeting Connector MMR before version 4.6.365.20210703, Zoom On-Premise Recording Connector before version 3.8.45.20210703, Zoom On-Premise Virtual Room Connector before version 4.4.6868.20210703, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5496.20210703 fails to validate input sent in requests to set the network proxy password. This could lead to remote command injection by a web portal administrator.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Affected products
Zoom Video Communications Inc · Zoom On-Premise Meeting Connector ControllerZoom Video Communications Inc · Zoom On-Premise Meeting Connector MMRZoom Video Communications Inc · Zoom On-Premise Recording ConnectorZoom Video Communications Inc · Zoom On-Premise Virtual Room ConnectorZoom Video Communications Inc · Zoom On-Premise Virtual Room Connector Load BalancerRelated CVEs — Zoom On-Premise Meeting Connector Controller
In the same product, most dangerous first.
CVE-2021-34423HIGHBuffer overflow in Zoom client and other productsEPSS 3.3%CVE-2022-22783MEDIUMProcess memory exposure in Zoom on-premise Meeting servicesEPSS 1.0%CVE-2022-28761MEDIUMZoom On-Premise Deployments: Improper Access ControlEPSS 0.8%CVE-2022-28758HIGHZoom On-Premise Deployments: Improper Access ControlEPSS 0.7%CVE-2022-28759HIGHZoom On-Premise Deployments: Improper Access ControlEPSS 0.7%CVE-2022-28760MEDIUMZoom On-Premise Deployments: Improper Access ControlEPSS 0.6%