PT-2020-3769 · Cisco · Cisco Webex Meetings Desktop App

Published 2020-08-19 · Updated 2020-09-02 · CVE-2020-3440

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:C/A:N

Name of the Vulnerable Software and Affected Versions: Cisco Webex Meetings Desktop App for Windows (affected versions not specified)

Description: The issue is related to improper validation of URL parameters sent from a website to the application, allowing an unauthenticated, remote attacker to overwrite arbitrary files on an end-user system. An attacker could exploit this by persuading a user to follow a crafted URL, potentially corrupting or deleting critical system files. The vulnerability is due to errors in checking URL parameters.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

BDU:2020-04129

CVE-2020-3440

Affected Products

Cisco Webex Meetings Desktop App

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-3440 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-desktop-app-OVSfpVMj · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04129 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3440 · Vendor Advisory