CWE
79 80
Advisory Published
Updated

CVE-2020-27126: Cisco Webex Meetings API Cross-Site Scripting Vulnerability

First published: Wed Nov 18 2020(Updated: )

A vulnerability in an API of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks. The vulnerability is due to improper validation of user-supplied input to an application programmatic interface (API) within Cisco Webex Meetings. An attacker could exploit this vulnerability by convincing a targeted user to follow a link designed to submit malicious input to the API used by Cisco Webex Meetings. A successful exploit could allow the attacker to conduct cross-site scripting attacks and potentially gain access to sensitive browser-based information from the system of a targeted user.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Webex Meetings=40.10.2

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Frequently Asked Questions

  • What is CVE-2020-27126?

    CVE-2020-27126 is a vulnerability in an API of Cisco Webex Meetings that could allow an unauthenticated remote attacker to conduct cross-site scripting attacks.

  • How severe is CVE-2020-27126?

    CVE-2020-27126 has a severity rating of 6.1, which is considered medium.

  • Which software version of Cisco Webex Meetings is affected by CVE-2020-27126?

    The vulnerability affects Cisco Webex Meetings version 40.10.2.

  • What is the Common Weakness Enumeration (CWE) for CVE-2020-27126?

    The CWE for CVE-2020-27126 includes CWE-79 (Improper Neutralization of Input During Web Page Generation) and CWE-80 (Improper Neutralization of Script-Related HTML Tags in a Web Page).

  • How can I fix CVE-2020-27126?

    To fix CVE-2020-27126, it is recommended to update Cisco Webex Meetings to a version that includes the security patch provided by Cisco.

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