CVE-2021-1420: Cisco Webex Meetings HTML Injection Vulnerability
First published: Thu Apr 08 2021(Updated: )
A vulnerability in certain web pages of Cisco Webex Meetings could allow an unauthenticated, remote attacker to modify a web page in the context of a user's browser. The vulnerability is due to improper checks on parameter values in affected pages. An attacker could exploit this vulnerability by persuading a user to follow a crafted link that is designed to pass HTML code into an affected parameter. A successful exploit could allow the attacker to alter the contents of a web page to redirect the user to potentially malicious websites, or the attacker could use this vulnerability to conduct further client-side attacks.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Webex Meetings |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Cisco Webex Meetings vulnerability?
The vulnerability ID for this Cisco Webex Meetings vulnerability is CVE-2021-1420.
What is the severity of CVE-2021-1420?
The severity of CVE-2021-1420 is medium with a severity value of 4.7.
How can an attacker exploit CVE-2021-1420?
An attacker can exploit CVE-2021-1420 by modifying a web page in the context of a user's browser.
What is the affected software for CVE-2021-1420?
The affected software for CVE-2021-1420 is Cisco Webex Meetings.
Where can I find more information about CVE-2021-1420?
You can find more information about CVE-2021-1420 on the Cisco Security Advisory page.
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