PT-2020-10808 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2021-07-21 · CVE-2019-20845

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost Server versions prior to 5.18.0

Description The issue allows attackers to cause a denial of service, specifically memory consumption, by utilizing a large Slack import.

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

Fix

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2019-20845

Affected Products

Mattermost Server

References · 4

• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-20845 · Security Note
• https://osv.dev/vulnerability/CVE-2019-20845 · Vendor Advisory
• https://t.me/cibsecurity/12882 · Telegram Post