Improper input validation in Zoom Meeting Connector

CVE-2021-34414

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-34414: held from 0.015 to 0.015.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

  • Zoom Meeting Connector
  • Zoom Recording Connector
  • Zoom Virtual Room Connector
  • Zoom Virtual Room Connector Load Balancer
  • Zoom On-Premise Meeting Connector Controller, Mmr, Recording Connector, Virtual Room Load Balancer — versions 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, Zoom on-premise Virtual Room Connector Load Balancer before version 2.5.5495.20210326

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-34414?
CVE-2021-34414 is a high-severity vulnerability in Zoom Meeting Connector, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2021-09-27.
How severe is CVE-2021-34414?
High severity. CVSS v3 base score is 7.2 out of 10.