CVE-2021-34418

Published on: 11/11/2021 12:00:00 AM UTC

Last Modified on: 11/16/2021 06:01:00 PM UTC

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

Certain versions of Zoom On-premise Meeting Connector Controller from Zoom contain the following vulnerability:

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.

  • CVE-2021-34418 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Zoom Video Communications Inc - Zoom On-Premise Meeting Connector version < 4.6.239.20200613
  • Affected Vendor/Software: URL Logo Zoom Video Communications Inc - Zoom On-Premise Meeting Connector MMR version < 4.6.239.20200613
  • Affected Vendor/Software: URL Logo Zoom Video Communications Inc - Zoom On-Premise Recording Connector version < 3.8.42.20200905
  • Affected Vendor/Software: URL Logo Zoom Video Communications Inc - Zoom On-Premise Virtual Room Connector version < 4.4.6344.20200612
  • Affected Vendor/Software: URL Logo Zoom Video Communications Inc - Zoom On-Premise Virtual Room Connector Load Balancer version < 2.5.5492.20200616

CVSS3 Score: 5.3 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE LOW

CVSS2 Score: 5 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags Link
Security Bulletin | Zoom explore.zoom.us
text/html
URL Logo MISC explore.zoom.us/en/trust/security/security-bulletin

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationZoomZoom On-premise Meeting Connector ControllerAllAllAllAll
ApplicationZoomZoom On-premise Meeting Connector MmrAllAllAllAll
ApplicationZoomZoom On-premise Recording ConnectorAllAllAllAll
ApplicationZoomZoom On-premise Virtual Room ConnectorAllAllAllAll
ApplicationZoomZoom On-premise Virtual Room Connector Load BalancerAllAllAllAll
  • cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_controller:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_mmr:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:zoom:zoom_on-premise_recording_connector:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector_load_balancer:*:*:*:*:*:*:*:*:

Discovery Credit

Jeremy Brown

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-34418 : The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.2… twitter.com/i/web/status/1… 2021-11-11 23:06:35
© CVE.report 2022 Twitter Nitter Twitter Viewer |

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