PT-2020-10809 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-19 · CVE-2019-20846

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost Server versions prior to 5.18.0

Description The issue is related to weak permissions for server-local file storage.

Recommendations For versions prior to 5.18.0, update to version 5.18.0 or later to resolve the issue.

Fix

Improper Preservation of Permissions

Weakness Enumeration

CWE-281

Related Identifiers

CVE-2019-20846

Affected Products

Mattermost Server

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2019-20846 · Security Note
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-20846 · Vendor Advisory
• https://t.me/cibsecurity/12881 · Telegram Post