CVE-2019-20861

HIGH

Mattermost Desktop App <4.2.2 - RCE

Title source: llm
STIX 2.1

Description

An issue was discovered in Mattermost Desktop App before 4.2.2. It allows attackers to execute arbitrary code via a crafted link.

References (1)

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

Scores

CVSS v3 8.8
EPSS 0.0073
EPSS Percentile 72.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

Status published
Products (1)
mattermost/mattermost_desktop < 4.2.2
Published Jun 19, 2020
Tracked Since Feb 18, 2026