PT-2020-10832 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2021-07-21 · CVE-2019-20869

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 5.10.0 Mattermost Server versions prior to 5.9.1 Mattermost Server versions prior to 5.8.2 Mattermost Server versions prior to 4.10.9

Description A non-member could change the "Update/Patch Channel" endpoint for a private channel, which is a security issue.

Recommendations For versions prior to 5.10.0, update to version 5.10.0 or later. For versions prior to 5.9.1, update to version 5.9.1 or later. For versions prior to 5.8.2, update to version 5.8.2 or later. For versions prior to 4.10.9, update to version 4.10.9 or later.

Fix

Related Identifiers

CVE-2019-20869

Affected Products

Mattermost Server

References · 3

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-20869 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-20869 · Security Note