PT-2020-10806 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-19 · CVE-2019-20843

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 Mattermost Server version 5.17.2 Mattermost Server version 5.16.4 Mattermost Server version 5.15.4 Mattermost Server version 5.9.7

Description The issue is related to weak permissions for configuration files in Mattermost Server.

Recommendations For versions prior to 5.18.0, update to version 5.18.0 or later. For version 5.17.2, update to version 5.18.0 or later. For version 5.16.4, update to version 5.18.0 or later. For version 5.15.4, update to version 5.18.0 or later. For version 5.9.7, update to version 5.18.0 or later.

Fix

Improper Preservation of Permissions

Weakness Enumeration

CWE-281

Related Identifiers

CVE-2019-20843

Affected Products

Mattermost Server

References · 4

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-20843 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-20843 · Security Note
• https://t.me/cibsecurity/12884 · Telegram Post