CVE-2021-34418

CVSS V2 Medium 5 CVSS V3 Medium 5.3
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.
Overview
  • CVE ID
  • CVE-2021-34418
  • Assigner
  • security@zoom.us
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-11-11T23:15:09
  • Last Modified Date
  • 2021-11-16T18:01:41
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_controller:*:*:*:*:*:*:*:* 1 OR 4.6.239.20200613
cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_mmr:*:*:*:*:*:*:*:* 1 OR 4.6.239.20200613
cpe:2.3:a:zoom:zoom_on-premise_recording_connector:*:*:*:*:*:*:*:* 1 OR 3.8.42.20200905
cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector:*:*:*:*:*:*:*:* 1 OR 4.4.6344.20200612
cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector_load_balancer:*:*:*:*:*:*:*:* 1 OR 2.5.5492.20200616
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • LOW
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://explore.zoom.us/en/trust/security/security-bulletin Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-34418
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34418
History
Created Old Value New Value Data Type Notes
2022-05-10 06:46:42 Added to TrackCVE
2022-12-05 14:21:34 2021-11-11T23:15Z 2021-11-11T23:15:09 CVE Published Date updated
2022-12-05 14:21:34 2021-11-16T18:01:41 CVE Modified Date updated
2022-12-05 14:21:34 Analyzed Vulnerability Status updated