National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2020-3142 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Nist CVSS score does not match with CNA score
CNA:  Cisco Systems, Inc.
Base Score: 7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200124-webex-unauthjoin Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-306 Missing Authentication for Critical Function NIST  
CWE-284 Improper Access Control Cisco Systems, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:cisco:webex_meetings_online:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
39.11.5

Configuration 2 ( hide )
 cpe:2.3:a:cisco:webex_meetings_online:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
40.1.3


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-3142
NVD Published Date:
01/26/2020
NVD Last Modified:
01/28/2020