PT-2020-8465 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-25 · CVE-2017-18919

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Mattermost Server versions prior to 3.7.0 Mattermost Server version 3.6.3 and earlier

Description: An issue was discovered that allows attackers to use the API for unauthenticated team creation.

Recommendations: For Mattermost Server versions prior to 3.7.0, update to version 3.7.0 or later. For Mattermost Server version 3.6.3 and earlier, update to version 3.6.3 or later, or consider updating to version 3.7.0 or later for the latest security fixes.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2017-18919

Affected Products

Mattermost Server

References · 3

• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-18919 · Security Note
• https://osv.dev/vulnerability/CVE-2017-18919 · Vendor Advisory