CVE-2021-1311: medium-severity vulnerability in Cisco WebEx Meetings Server
Cisco Webex Meetings and Cisco Webex Meetings Server Host Key Brute Forcing Vulnerability
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.4epss 1.3%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Affected products
Cisco · Cisco WebEx Meetings ServerRelated CVEs — Cisco WebEx Meetings Server
In the same product, most dangerous first.
CVE-2020-3263HIGHCisco Webex Meetings Desktop App URL Filtering Arbitrary Program Execution VulnerabilityEPSS 4.2%CVE-2020-3342HIGHCisco Webex Meetings Desktop App for Mac Update Feature Code Execution VulnerabilityEPSS 3.9%CVE-2020-3361HIGHCisco Webex Meetings and Cisco Webex Meetings Server Token Handling Unauthorized Access VulnerabilityEPSS 2.4%CVE-2020-3419MEDIUMCisco Webex Meetings and Cisco Webex Meetings Server Ghost Join VulnerabilityEPSS 2.2%CVE-2019-1868MEDIUMCisco Webex Meetings Server Information Disclosure VulnerabilityEPSS 2.1%CVE-2020-3471MEDIUMCisco Webex Meetings and Cisco Webex Meetings Server Unauthorized Audio Information Exposure VulnerabilityEPSS 1.8%