CVE-2021-1420 — MEDIUM (4.7)

Vulnerability Description

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.

CVSS Score

4.7

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Cisco	Webex Meetings	-

Related Weaknesses (CWE)

CWE-80

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wVendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wVendor Advisory

FAQ

What is CVE-2021-1420?

CVE-2021-1420 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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 improp...

How severe is CVE-2021-1420?

CVE-2021-1420 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-1420?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Webex Meetings.