CVE-2019-20853

CRITICAL

Mattermost Packages < 5.16.3 - Exposure of Resource to Wrong Sphere

Title source: llm
STIX 2.1

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)

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

Scores

CVSS v3 9.8
EPSS 0.0227
EPSS Percentile 84.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-668
Status published
Products (1)
mattermost/mattermost_packages < 5.16.3
Published Jun 19, 2020
Tracked Since Feb 18, 2026