CVE-2020-3142 : Vulnerability Insights and Analysis

A vulnerability in Cisco Webex Meetings Suite and Cisco Webex Meetings Online sites could allow unauthorized attendees to join password-protected meetings without the meeting password.

Understanding CVE-2020-3142

This CVE involves a security flaw in Cisco Webex Meetings Suite and Cisco Webex Meetings Online sites that could be exploited by remote attackers.

What is CVE-2020-3142?

The vulnerability allows unauthenticated remote attendees to join password-protected meetings without providing the meeting password, specifically through the Webex mobile application for iOS or Android.

The Impact of CVE-2020-3142

CVSS Base Score: 7.5 (High Severity)
Attack Vector: Network
Confidentiality Impact: High
No user interaction required for exploitation

Technical Details of CVE-2020-3142

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The flaw exposes meeting information, allowing unauthorized access.

Affected Systems and Versions

Affected Product: Cisco Webex Meetings
Vendor: Cisco
Vulnerable Versions:
Earlier than 39.11.5
Earlier than 40.1.3

Exploitation Mechanism

Unauthorized attendees can exploit the vulnerability by accessing a known meeting ID or URL from a mobile device's web browser.

Mitigation and Prevention

Steps to address and prevent the CVE exploit.

Immediate Steps to Take

Ensure Webex Meetings Suite and Webex Meetings Online sites are updated to versions 39.11.5 or 40.1.3.
Regularly monitor attendee lists for unauthorized participants.

Long-Term Security Practices

Educate users on secure meeting practices.
Implement multi-factor authentication for meeting access.

Patching and Updates

Cisco has released updates addressing this vulnerability, requiring no user action.