CVE-2020-3440 MEDIUM

CVE-2020-3440: Cisco Webex Meetings Desktop App for Windows Arbitrary File Overwrite Vulnerability

Vendor Cisco
Product Cisco Webex Meetings
Weakness CWE-22 · Path traversal
Published August 26, 2020
Last update November 13, 2024

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 26, 2020 CVE published
November 13, 2024 Record updated