CVE-2019-20879: Medium severity mattermost vulnerability

Published Jun 19, 2020
·
Updated

An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. Changes to e-mail addresses do not require credential re-entry.

Affected Software

7 affected components
Mattermost Mattermost Server<4.10.7
Mattermost Mattermost Server>=5.6.0<5.6.5
Mattermost Mattermost Server>=5.7.0<5.7.2
Mattermost Mattermost Server=5.8.0-rc1
Mattermost Mattermost Server=5.8.0-rc2
Mattermost Mattermost Server=5.8.0-rc3
Mattermost Mattermost Server=5.8.0-rc4

Event History

Jun 19, 2020
CVE Published
via MITRE·04:29 PM
Data Sourced
via MITRE·04:29 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2019-20879?

CVE-2019-20879 has been classified as a moderate severity vulnerability due to the potential risk of unauthorized email changes.

2

How do I fix CVE-2019-20879?

To fix CVE-2019-20879, upgrade Mattermost Server to version 5.8.0 or later.

3

What versions of Mattermost Server are affected by CVE-2019-20879?

CVE-2019-20879 affects Mattermost Server versions prior to 5.8.0, 5.7.2, 5.6.5, and 4.10.7.

4

What are the implications of CVE-2019-20879?

The vulnerability allows users to change email addresses without needing to re-enter credentials, posing a risk to account integrity.

5

Is there a patch available for CVE-2019-20879?

Yes, the patch for CVE-2019-20879 is included in Mattermost Server versions released after 5.8.0.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203