CVE-2021-34418 MEDIUM

CVE-2021-34418: Pre-auth Null pointer crash in on-premise web console

Vendor Zoom Video Communications Inc
Product Zoom On-Premise Meeting Connector
Published November 11, 2021
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

4.0/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service.

Key dates

02Disclosure timeline

November 11, 2021 CVE published
September 16, 2024 Record updated