Advisory Published
Updated

CVE-2019-20876

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. Users can deactivate themselves, bypassing a policy.

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

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Frequently Asked Questions

  • What is the severity of CVE-2019-20876?

    CVE-2019-20876 is considered a moderate severity vulnerability due to its potential impact on user account management.

  • How do I fix CVE-2019-20876?

    To fix CVE-2019-20876, upgrade Mattermost Server to version 5.9.0 or later.

  • Who is affected by CVE-2019-20876?

    Users of Mattermost Server versions prior to 5.9.0, 5.8.1, 5.7.3, and 4.10.8 are affected by CVE-2019-20876.

  • What does CVE-2019-20876 allow users to do?

    CVE-2019-20876 allows users to deactivate themselves, bypassing existing policies that should prevent this action.

  • Is there a workaround for CVE-2019-20876?

    There is no official workaround for CVE-2019-20876; updating to a patched version is recommended.

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