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CVE-2021-1311

CVE information

Published

1 year ago

Last Modified

1 year ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Medium

Impact Analysis

Description

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..

CVSSv2.0 Score

Severity
Medium
Base Score
5.5/10
Exploit Score
8/10
Access Vector
Network
Access Complexity
Low
Authentication Required
Single
Impact Score
4.9/10
Confidentiality Impact
None
Availability Impact
Partial
Integrity Impact
Partial

CVSSv3.1 Score

Severity
Medium
Base Score
5.4/10
Exploit Score
2.8/10
Access Vector
Network
Access Complexity
Low
Privileges Required
Low
Impact Score
2.5/10
Confidentiality Impact
None
Availability Impact
Low
Integrity Impact
Low
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:cisco:webex_meetings_server:*:*:*:*:*:*:*:*
  Yes
- 3.0
cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_releas
  Yes
- -
cpe:2.3:a:cisco:webex_meetings_server:3.0:-:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_releas
  Yes
- -
cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_releas
  Yes
- -
cpe:2.3:a:cisco:webex_meetings_server:4.0:-:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:webex_meetings_server:4.0:maintenance_releas
  Yes
- -
cpe:2.3:a:cisco:webex_meetings_server:4.0:maintenance_releas
  Yes
- -
cpe:2.3:a:cisco:webex_meetings_server:4.0:maintenance_releas
  Yes
- -
cpe:2.3:a:cisco:webex_meetings:*:*:*:*:*:*:*:*
  Yes
- 2020-12-15
cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_releas
  Yes
- -