CVE-2020-14456

HIGH

Mattermost Desktop App < 4.4.0 - Origin Validation Error

Title source: llm
STIX 2.1

Description

An issue was discovered in Mattermost Desktop App before 4.4.0. The Same Origin Policy is mishandled during access-control decisions for web APIs, aka MMSA-2020-0006.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://mattermost.com/security-updates/

Scores

CVSS v3 7.3
EPSS 0.0015
EPSS Percentile 34.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE
CWE-346
Status published
Products (1)
mattermost/mattermost_desktop < 4.4.0
Published Jun 19, 2020
Tracked Since Feb 18, 2026