CVE-2019-20853

CRITICAL

Mattermost Packages < 5.16.3 - Exposure to Wrong Actor

Title source: rule

Description

An issue was discovered in Mattermost Packages before 5.16.3. A Droplet could allow Internet access to a service that has a remote code execution problem.

References (1)

[Vendor Advisory] https://mattermost.com/security-updates/

Scores

CVSS v3 9.8

EPSS 0.0227

EPSS Percentile 84.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-668

Status published

Affected Products (1)

mattermost/mattermost_packages < 5.16.3

Timeline

Published Jun 19, 2020

Tracked Since Feb 18, 2026