vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2021-34414

HIGH
7.2
CVSS Score
Published: September 27, 2021 at 01:56 PM UTC
Updated: June 17, 2026 at 03:55 AM UTC
9 products affected across 1 vendorMeeting ConnectorVirtual Room Connector Load BalancerVirtual Room Connector

Using Zoom on-premise Meeting Connector Controller, Zoom on-premise Meeting Connector MMR, Zoom on-premise Recording Connector, Zoom on-premise Virtual Room Connector, Zoom on-premise Virtual Room Connector Load Balancer by N/A?

Get instant alerts when new vulnerabilities affect Zoom on-premise Meeting Connector Controller, Zoom on-premise Meeting Connector MMR, Zoom on-premise Recording Connector, Zoom on-premise Virtual Room Connector, Zoom on-premise Virtual Room Connector Load Balancer - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.2
Exploit prediction
EPSS 2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Meeting Connector· Zoom
95%
v < 4.6.348.20201217
Affected range stops below 4.6.348.20201217, so it looks safe — our inference, not a vendor statement
Recording Connector· Zoom
95%
v < 3.8.42.20200905
Affected range stops below 3.8.42.20200905, so it looks safe — our inference, not a vendor statement
Virtual Room Connector· Zoom
95%
v < 4.4.6620.20201110
Affected range stops below 4.4.6620.20201110, so it looks safe — our inference, not a vendor statement
Virtual Room Connector Load Balancer· Zoom
95%
v < 2.5.5495.20210326
Affected range stops below 2.5.5495.20210326, so it looks safe — our inference, not a vendor statement
On-Premise Meeting Connector Controller· Zoom
60%
v < 4.6.348.20201217
Affected range stops below 4.6.348.20201217, so it looks safe — our inference, not a vendor statement
On-Premise Meeting Connector MMR· Zoom
60%
v < 4.6.348.20201217
Affected range stops below 4.6.348.20201217, so it looks safe — our inference, not a vendor statement
On-Premise Recording Connector· Zoom
60%
v < 4.6.348.20201217
Affected range stops below 4.6.348.20201217, so it looks safe — our inference, not a vendor statement
On-Premise Virtual Room Connector· Zoom
60%
v < 4.6.348.20201217
Affected range stops below 4.6.348.20201217, so it looks safe — our inference, not a vendor statement
On-Premise Virtual Room Connector Load Balancer· Zoom
60%
v < 4.6.348.20201217
Affected range stops below 4.6.348.20201217, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCx_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://explore.zoom.us/en/trust/security/security-bulletin/

CVSS

7.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card