CVE-2020-3440: Cisco Webex Meetings Desktop App for Windows Arbitrary File Overwrite Vulnerability
A vulnerability in Cisco Webex Meetings Desktop App for Windows could allow an unauthenticated, remote attacker to overwrite arbitrary files on an end-user system. The vulnerability is due to improper validation of URL parameters that are sent from a website to the affected application. An attacker could exploit this vulnerability by persuading a user to follow a URL to a website that is designed to submit crafted input to the affected application. A successful exploit could allow the attacker to overwrite arbitrary files on the affected system, possibly corrupting or deleting critical system files.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-3440?
CVE-2020-3440 is a vulnerability in Cisco Webex Meetings Desktop App for Windows that allows an unauthenticated remote attacker to overwrite arbitrary files on an end-user system.
How does CVE-2020-3440 affect Cisco Webex Meetings Desktop App for Windows?
CVE-2020-3440 affects Cisco Webex Meetings Desktop App for Windows by allowing an unauthenticated remote attacker to overwrite arbitrary files on an end-user system.
What is the severity of CVE-2020-3440?
The severity of CVE-2020-3440 is medium with a CVSS score of 6.5.
How can an attacker exploit CVE-2020-3440?
An attacker can exploit CVE-2020-3440 by sending malicious URL parameters from a website to the affected application.
Is there a fix available for CVE-2020-3440?
Yes, Cisco has released a security advisory with mitigation measures for CVE-2020-3440. It is recommended to apply the necessary updates to address this vulnerability.