Input validation error in Cisco Webex Meetings - CVE-2021-40128

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Main Vulnerability Database Vulnerabilities #VU57952

Input validation error in Cisco Webex Meetings - CVE-2021-40128

Published: November 4, 2021


Vulnerability identifier: #VU57952
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-40128
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Webex Meetings

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient validation of user-supplied parameters. A remote attacker can send to any recipient an account activation email that contains a tampered activation link, which can direct the user to an attacker-controlled website.


How to mitigate CVE-2021-40128

Install updates from vendor's website.

Sources