CVE-2020-3440CWE-22

Cisco Webex Meetings Desktop App for Windows Arbitrary File Overwrite Vulnerability

Medium · published August 26, 2020

CVSS v3.0
6.5
EPSS
3%
Percentile
85.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
6.5 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.02620 · 85.3th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2020-08-26T16:16Z
EPSS history
Timeline
  • 26 AUG 16:16Z
    Cisco Webex Meetings Desktop App for Windows Arbitrary File Overwrite Vulnerability
    cvelistv5