Vulnerability Monitor

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CVE-2020-3471

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.

Published

2020-11-18T19:15:12.633

Last Modified

2024-11-21T05:31:08.197

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    CWE-662
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco webex_meetings_server < 3.0 Yes
Application cisco webex_meetings_server 3.0 Yes
Application cisco webex_meetings_server 3.0 Yes
Application cisco webex_meetings_server 4.0 Yes
Application cisco webex_meetings_server 4.0 Yes
Application cisco webex_meetings_server 4.0 Yes
References