4.7
CVSSv3

CVE-2021-1420

Published: 08/04/2021 Updated: 07/11/2023
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 4.7 | Impact Score: 1.4 | Exploitability Score: 2.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Vulnerability Summary

A vulnerability in certain web pages of Cisco Webex Meetings could allow an unauthenticated, remote malicious user 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 malicious user 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.

Vulnerability Trend

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Vendor Advisories

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 de ...