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VULNERABILITIES

CVE-2020-3471 Details

Description

A vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to maintain bidirectional audio despite being expelled from an active Webex session. The vulnerability is due to a synchronization issue between meeting and media services on a vulnerable Webex site. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco Webex Meetings or Cisco Webex Meetings Server site. A successful exploit could allow the attacker to maintain the audio connection of a Webex session despite being expelled.

Metrics

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-IDCWE NameSource
CWE-662Improper Synchronization[email protected]
CWE-20Improper Input Validation[email protected]

Affected Products

ProductVersions
cisco webex meetings server
< 3.0
3.0 maintenance_release2
3.0 maintenance_release3
4.0 -
4.0 maintenance_release1

CPE

  • cpe:2.3:a:cisco:webex_meetings_server:*:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_release2:*:*:*:*:*:*
  • cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_release3:*:*:*:*:*:*
  • cpe:2.3:a:cisco:webex_meetings_server:4.0:-:*:*:*:*:*:*
  • cpe:2.3:a:cisco:webex_meetings_server:4.0:maintenance_release1:*:*:*:*:*:*
  • cpe:2.3:a:cisco:webex_meetings_server:4.0:maintenance_release2:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2020-3471
NVD Published Date:
Nov 18, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-3471 Details - Not Deferred