CVE-2020-3440

Medium

Description

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductCisco Webex Meetings
PublishedAug 26, 2020
First seenAug 26, 2020

How to fix

Affected products

ProductAffected versionsFixed in
cisco webex_meetingsv < 40.840.8

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