7.5
CWE
863
Advisory Published
Updated

CVE-2023-3590: Deleted attachments in Boards remain accessible

First published: Mon Jul 17 2023(Updated: )

Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.

Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com

Affected SoftwareAffected VersionHow to fix
Mattermost Mattermost Server>=7.10.0<7.10.3

Remedy

Update Mattermost Server to versions v7.10.3 or higher.

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Frequently Asked Questions

  • What is CVE-2023-3590?

    CVE-2023-3590 is a vulnerability in Mattermost that allows an attacker to access deleted attachments in Boards.

  • How does the Mattermost vulnerability CVE-2023-3590 occur?

    The vulnerability occurs due to the failure of Mattermost to delete card attachments in Boards.

  • What is the severity of CVE-2023-3590?

    CVE-2023-3590 has a severity rating of 7.5 (high).

  • Which versions of Mattermost are affected by CVE-2023-3590?

    Mattermost Server versions 7.10.0 to 7.10.3 are affected by CVE-2023-3590.

  • Is there a fix available for Mattermost vulnerability CVE-2023-3590?

    Yes, Mattermost has released a security update to fix the vulnerability. Please refer to the Mattermost Security Updates page for more information.

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