Vulnerability Monitor

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CVE-2021-1311

A vulnerability in the reclaim host role feature of Cisco Webex Meetings and Cisco Webex Meetings Server could allow an authenticated, remote attacker to take over the host role during a meeting. This vulnerability is due to a lack of protection against brute forcing of the host key. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco Webex Meetings or Webex Meetings Server site. A successful exploit would require the attacker to have access to join a Webex meeting, including applicable meeting join links and passwords. A successful exploit could allow the attacker to acquire or take over the host role for a meeting.

Published

2021-01-13T22:15:21.630

Last Modified

2024-11-21T05:44:03.993

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

CVSSv2 Vector

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

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

8.0

Impact Score

4.9

Weaknesses
  • Type: Secondary
    CWE-307
  • Type: Primary
    CWE-307
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco webex_meetings < 40.12.0 Yes
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 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
Application cisco webex_meetings_server 4.0 Yes
References