CVE-2021-1420

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.
Configurations

Configuration 1 (hide)

cpe:2.3:a:cisco:webex_meetings:-:*:*:*:*:*:*:*

History

14 Apr 2021, 17:48

Type Values Removed Values Added
References (CISCO) https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-VObwRKWV - (CISCO) https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-VObwRKWV - Vendor Advisory
CPE cpe:2.3:a:cisco:webex_meetings:-:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown
v2 : 4.3
v3 : 4.7

08 Apr 2021, 05:15

Type Values Removed Values Added
CWE CWE-80
Summary 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. 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.

08 Apr 2021, 04:15

Type Values Removed Values Added
New CVE

Information

Published : 2021-04-08 04:15

Updated : 2023-12-10 13:55


NVD link : CVE-2021-1420

Mitre link : CVE-2021-1420

CVE.ORG link : CVE-2021-1420


JSON object : View

Products Affected

cisco

  • webex_meetings
CWE
CWE-80

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)