PT-2020-14014 · Mattermost · Mattermost Desktop App

Published 2020-06-19 · Updated 2020-06-25 · CVE-2020-14454

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

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

Description An issue was discovered where server redirection is mishandled, allowing attackers to open web pages in the desktop application.

Recommendations For versions prior to 4.4.0, update to version 4.4.0 or later to resolve the issue. As a temporary workaround, consider restricting access to potentially malicious web pages until the update is applied.

Fix

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

CVE-2020-14454

Affected Products

Mattermost Desktop App

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-14454 · Security Note
• https://osv.dev/vulnerability/CVE-2020-14454 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://t.me/cvenotify/4503 · Telegram Post