CVE-2021-34418 Information

Description

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.3