Advisory Published
Updated

CVE-2019-20873

First published: Fri Jun 19 2020(Updated: )

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information during user activation/deactivation.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Mattermost<4.10.8
Mattermost>=5.7.0<5.7.3
Mattermost>=5.8.0<5.8.1
Mattermost=5.9.0-rc1
Mattermost=5.9.0-rc2
Mattermost=5.9.0-rc3
Mattermost=5.9.0-rc4

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2019-20873?

    CVE-2019-20873 has a medium severity rating due to its potential to expose sensitive user information.

  • How do I fix CVE-2019-20873?

    To fix CVE-2019-20873, upgrade Mattermost Server to version 5.9.0 or later.

  • What versions of Mattermost Server are affected by CVE-2019-20873?

    Mattermost Server versions prior to 5.9.0, 5.8.1, 5.7.3, and 4.10.8 are affected by CVE-2019-20873.

  • What type of attack does CVE-2019-20873 allow?

    CVE-2019-20873 allows attackers to obtain sensitive information during user activation and deactivation.

  • Is there a public exploit for CVE-2019-20873?

    As of now, there is no publicly known exploit specifically targeting CVE-2019-20873.

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.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203