8.8
CWE
732
Advisory Published
Updated

CVE-2017-18886

First published: Fri Jun 19 2020(Updated: )

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows a bypass of restrictions on use of slash commands.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Mattermost<4.1.2
Mattermost>=4.2.0<4.2.1
Mattermost=4.3.0-rc1
Mattermost=4.3.0-rc2
Mattermost=4.3.0-rc3
Mattermost=4.3.0-rc4

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Frequently Asked Questions

  • What is the severity of CVE-2017-18886?

    CVE-2017-18886 is classified as a moderate severity vulnerability.

  • How do I fix CVE-2017-18886?

    To fix CVE-2017-18886, upgrade to Mattermost Server version 4.3.0 or later.

  • What impact does CVE-2017-18886 have on Mattermost Server?

    CVE-2017-18886 allows unauthorized users to bypass restrictions on the use of slash commands.

  • Which versions of Mattermost are affected by CVE-2017-18886?

    CVE-2017-18886 affects Mattermost Server versions before 4.3.0, 4.2.1, and 4.1.2.

  • Is there a workaround for CVE-2017-18886?

    There are no known workarounds for CVE-2017-18886 other than applying the patch.

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