PT-2020-10810 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-25 · CVE-2019-20847

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 5.18.0

Description An issue allows an attacker to send a user typing WebSocket event to any channel.

Recommendations For versions prior to 5.18.0, update to version 5.18.0 or later to resolve the issue.

Fix

Related Identifiers

CVE-2019-20847

Affected Products

Mattermost Server

References · 4

• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-20847 · Security Note
• https://osv.dev/vulnerability/CVE-2019-20847 · Vendor Advisory
• https://t.me/cibsecurity/12880 · Telegram Post