CVE-2020-3142: Cisco Webex Meetings Suite and Cisco Webex Meetings Online Unauthenticated Meeting Join Vulnerability
First published: Sun Jan 26 2020(Updated: )
A vulnerability in Cisco Webex Meetings Suite sites and Cisco Webex Meetings Online sites could allow an unauthenticated, remote attendee to join a password-protected meeting without providing the meeting password. The connection attempt must initiate from a Webex mobile application for either iOS or Android. The vulnerability is due to unintended meeting information exposure in a specific meeting join flow for mobile applications. An unauthorized attendee could exploit this vulnerability by accessing a known meeting ID or meeting URL from the mobile device’s web browser. The browser will then request to launch the device’s Webex mobile application. A successful exploit could allow the unauthorized attendee to join the password-protected meeting. The unauthorized attendee will be visible in the attendee list of the meeting as a mobile attendee. Cisco has applied updates that address this vulnerability and no user action is required. This vulnerability affects Cisco Webex Meetings Suite sites and Cisco Webex Meetings Online sites releases earlier than 39.11.5 and 40.1.3.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Webex Meetings Online | <39.11.5 | |
| Cisco Webex Meetings Online | <40.1.3 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-3142?
CVE-2020-3142 is a vulnerability in Cisco Webex Meetings Suite sites and Cisco Webex Meetings Online sites that could allow an unauthenticated, remote attendee to join a password-protected meeting without providing the meeting password.
What is the severity level of CVE-2020-3142?
The severity level of CVE-2020-3142 is high, with a CVSS score of 7.5.
How can an unauthenticated, remote attendee exploit CVE-2020-3142?
An unauthenticated, remote attendee can exploit CVE-2020-3142 by initiating a connection attempt from a Webex mobile application for either iOS or Android.
What is the affected software for CVE-2020-3142?
The affected software for CVE-2020-3142 includes Cisco Webex Meetings Online versions up to 39.11.5 and 40.1.3.
Where can I find more information about CVE-2020-3142?
You can find more information about CVE-2020-3142 on the Cisco Security Advisory at https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200124-webex-unauthjoin.
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