CVE-2021-34414

EUVD-2021-21072

27.09.2021, 14:15

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.2 HIGH	NETWORK	LOW	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 81%

Affected Products (NVD)

Vendor	Product	Version
zoom	meeting_connector	𝑥 < 4.6.348.20201217
zoom	recording_connector	𝑥 < 3.8.42.20200905
zoom	virtual_room_connector	𝑥 < 4.4.6620.20201110
zoom	virtual_room_connector_load_balancer	𝑥 < 2.5.5495.20210326

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-20 - Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References

https://explore.zoom.us/en/trust/security/security-bulletin/