CVE-2021-34418

Pre-auth Null pointer crash in on-premise web console

Medium · published November 11, 2021

CVSS v3.1
4.0
EPSS
1%
Percentile
49.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.0 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00628 · 49.4th percentile
Published
2021-11-11T22:59Z
EPSS history
Timeline
  • 11 NOV 22:59Z
    Pre-auth Null pointer crash in on-premise web console
    cvelistv5