7.5
Advisory Published
Updated

CVE-2019-20864

First published: Fri Jun 19 2020(Updated: )

An issue was discovered in Mattermost Plugins before 5.13.0. The GitHub plugin allows an attacker to attach his Mattermost account to a different person's GitHub account.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Mattermost<5.13.0

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Frequently Asked Questions

  • What is the severity of CVE-2019-20864?

    CVE-2019-20864 has a medium severity rating due to the potential for unauthorized account linking.

  • How do I fix CVE-2019-20864?

    To fix CVE-2019-20864, upgrade Mattermost Plugins to version 5.13.0 or later.

  • What software versions are affected by CVE-2019-20864?

    CVE-2019-20864 affects all Mattermost Plugins versions prior to 5.13.0.

  • What vulnerability does CVE-2019-20864 exploit?

    CVE-2019-20864 exploits a flaw in the GitHub plugin allowing account linking to unauthorized GitHub accounts.

  • Is there a known exploit for CVE-2019-20864?

    Yes, CVE-2019-20864 is vulnerable to exploitation by enabling attackers to hijack GitHub accounts.

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