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.

Vulnerability/
CVE-2020-27126

medium

6.1

CWE

79 80

18/11/2020

25/11/2020

CVE-2020-27126: XSS

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 Software	Affected Version	How to fix
Cisco Webex Meetings	=40.10.2

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-meetings-xss-MX56prER

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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version/cisco webex meetings/40.10.2

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