PT-2020-10853 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-23 · CVE-2019-20889

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 5.7 Mattermost Server version 5.6.3 and earlier Mattermost Server version 5.5.2 and earlier Mattermost Server version 4.10.5 and earlier

Description The issue concerns the mishandling of permissions for user-access token creation.

Recommendations For versions prior to 5.7, update to version 5.7 or later. For version 5.6.3 and earlier, update to version 5.6.3 or later, then update to version 5.7 or later. For version 5.5.2 and earlier, update to version 5.5.2 or later, then update to version 5.7 or later. For version 4.10.5 and earlier, update to version 4.10.5 or later, then update to version 5.7 or later.

Fix

Incorrect Default Permissions

Weakness Enumeration

CWE-276

Related Identifiers

CVE-2019-20889

Affected Products

Mattermost Server

References · 3

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-20889 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-20889 · Security Note