CVEvulnerability

CVE-2021-34418

5.3 MEDIUM Published 2021-11-11 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-11-11
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.0 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-476

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.

Affected configurations

• zoom zoom on-premise meeting connector controller (< 4.6.239.20200613) • zoom zoom on-premise meeting connector mmr (< 4.6.239.20200613) • zoom zoom on-premise recording connector (< 3.8.42.20200905) • zoom zoom on-premise virtual room connector (< 4.4.6344.20200612) • zoom zoom on-premise virtual room connector load balancer (< 2.5.5492.20200616)

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References