PT-2020-10847 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2021-07-21 · CVE-2019-20883

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost Server versions prior to 5.8.0

Description An issue was discovered in Mattermost Server when Town Square is set to Read-Only, allowing users to pin or unpin a post.

Recommendations For versions prior to 5.8.0, update to version 5.8.0 or later to resolve the issue.

Fix

Related Identifiers

CVE-2019-20883

Affected Products

Mattermost Server

References · 3

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-20883 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-20883 · Security Note