CWE
287
Advisory Published
Updated

CVE-2020-3361: Cisco Webex Meetings and Cisco Webex Meetings Server Token Handling Unauthorized Access Vulnerability

First published: Thu Jun 18 2020(Updated: )

A vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to gain unauthorized access to a vulnerable Webex site. The vulnerability is due to improper handling of authentication tokens by a vulnerable Webex site. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco Webex Meetings or Cisco Webex Meetings Server site. If successful, the attacker could gain the privileges of another user within the affected Webex site.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Webex Meetings<=39.5.25
Cisco Webex Meetings>=40.1.0<=40.4.10
Cisco Webex Meetings=40.6.0
Cisco WebEx Meetings Server<4.0
Cisco WebEx Meetings Server=4.0
Cisco WebEx Meetings Server=4.0-maintenance_release1
Cisco WebEx Meetings Server=4.0-maintenance_release2
Cisco WebEx Meetings Server=4.0-maintenance_release3

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Frequently Asked Questions

  • What is CVE-2020-3361?

    CVE-2020-3361 is a vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server that allows an unauthenticated, remote attacker to gain unauthorized access to a vulnerable Webex site.

  • How does CVE-2020-3361 affect Cisco Webex Meetings and Cisco Webex Meetings Server?

    CVE-2020-3361 affects Cisco Webex Meetings and Cisco Webex Meetings Server by allowing an unauthenticated, remote attacker to gain unauthorized access to a vulnerable Webex site.

  • What is the severity of CVE-2020-3361?

    CVE-2020-3361 has a severity rating of 9.8 out of 10, which is considered critical.

  • How can an attacker exploit CVE-2020-3361?

    An attacker can exploit CVE-2020-3361 by improperly handling authentication tokens to gain unauthorized access to a vulnerable Webex site.

  • Is there a fix for CVE-2020-3361?

    Yes, Cisco has released a security advisory with recommendations and patches to address the vulnerability. Please refer to the provided reference for more information.

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