PT-2020-14015 · Mattermost · Mattermost Desktop App

Published 2020-06-19 · Updated 2020-06-25 · CVE-2020-14455

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost Desktop App versions prior to 4.4.0

Description An issue in the Mattermost Desktop App allows phishing due to mishandled HTTP Basic Authentication prompting.

Recommendations For versions prior to 4.4.0, update to version 4.4.0 or later to resolve the issue.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2020-14455

Affected Products

Mattermost Desktop App

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-14455 · Security Note
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-14455 · Vendor Advisory
• https://t.me/cvenotify/4504 · Telegram Post