CVE-2021-1311

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2021-1311
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-01-13 22:15:00 UTC
Updated2023-11-07 03:27:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-307

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cisco Webex Meetings All All All All
Application Cisco Webex Meetings All All All All
Application Cisco Webex Meetings Server All All All All
Application Cisco Webex Meetings Server 3.0 - All All
Application Cisco Webex Meetings Server 3.0 maintenance_release1 All All
Application Cisco Webex Meetings Server 3.0 maintenance_release2 All All
Application Cisco Webex Meetings Server 3.0 maintenance_release3 All All
Application Cisco Webex Meetings Server 3.0 maintenance_release4 All All
Application Cisco Webex Meetings Server 4.0 - All All
Application Cisco Webex Meetings Server 4.0 maintenance_release1 All All
Application Cisco Webex Meetings Server 4.0 maintenance_release2 All All
Application Cisco Webex Meetings Server 4.0 maintenance_release3 All All
Application Cisco Webex Meetings Server All All All All
Application Cisco Webex Meetings Server 3.0 - All All
Application Cisco Webex Meetings Server 3.0 maintenance_release1 All All
Application Cisco Webex Meetings Server 3.0 maintenance_release2 All All
Application Cisco Webex Meetings Server 3.0 maintenance_release3 All All
Application Cisco Webex Meetings Server 3.0 maintenance_release4 All All
Application Cisco Webex Meetings Server 4.0 - All All
Application Cisco Webex Meetings Server 4.0 maintenance_release1 All All
Application Cisco Webex Meetings Server 4.0 maintenance_release2 All All
Application Cisco Webex Meetings Server 4.0 maintenance_release3 All All

References

ReferenceSourceLinkTags
Cisco Webex Meetings and Cisco Webex Meetings Server Host Key Brute Forcing Vulnerability CISCO tools.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report