What is the vulnerability ID for this Mattermost vulnerability?

The vulnerability ID for this Mattermost vulnerability is CVE-2023-2786.

What software versions are affected by this vulnerability?

Mattermost versions 7.1.0 through 7.1.9, 7.8.0 through 7.8.4, and 7.9.0 through 7.9.3 are affected by this vulnerability.

What is the severity of CVE-2023-2786?

The severity of CVE-2023-2786 is medium, with a severity value of 4.3.

How does the vulnerability in Mattermost allow unauthorized members to post messages?

The vulnerability in Mattermost allows unauthorized members to post messages by executing channel commands without proper permission checks.

How can I fix the CVE-2023-2786 vulnerability in Mattermost?

To fix the CVE-2023-2786 vulnerability in Mattermost, it is recommended to upgrade to a version that is not affected by the vulnerability.

Vulnerability/
CVE-2023-2786

medium

4.3

CWE

862

16/6/2023

2/8/2024

CVE-2023-2786: Channel commands execution doesn't properly verify permissions

First published: Fri Jun 16 2023(Updated: )

Mattermost fails to properly check the permissions when executing commands allowing a member with no permissions to post a message in a channel to actually post it by executing channel commands.

Credit: responsibledisclosure@mattermost.com

Affected Software	Affected Version	How to fix
Mattermost Mattermost	>=7.1.0<=7.1.9
Mattermost Mattermost	>=7.8.0<=7.8.4
Mattermost Mattermost	>=7.9.0<=7.9.3
Mattermost Mattermost	=7.10.0

Remedy

Update Mattermost Server to versions v7.1.10, v7.8.5, v7.9.4, v.7.10.1 or higher.

Never miss a vulnerability like this again

Reference Links

https://mattermost.com/security-updates

Frequently Asked Questions

What is the vulnerability ID for this Mattermost vulnerability?
The vulnerability ID for this Mattermost vulnerability is CVE-2023-2786.
What software versions are affected by this vulnerability?
Mattermost versions 7.1.0 through 7.1.9, 7.8.0 through 7.8.4, and 7.9.0 through 7.9.3 are affected by this vulnerability.
What is the severity of CVE-2023-2786?
The severity of CVE-2023-2786 is medium, with a severity value of 4.3.
How does the vulnerability in Mattermost allow unauthorized members to post messages?
The vulnerability in Mattermost allows unauthorized members to post messages by executing channel commands without proper permission checks.
How can I fix the CVE-2023-2786 vulnerability in Mattermost?
To fix the CVE-2023-2786 vulnerability in Mattermost, it is recommended to upgrade to a version that is not affected by the vulnerability.

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agent/title
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vendor/mattermost
canonical/mattermost mattermost
version/mattermost mattermost/7.1.0
version/mattermost mattermost/7.1.9
version/mattermost mattermost/7.8.0
version/mattermost mattermost/7.8.4
version/mattermost mattermost/7.9.0
version/mattermost mattermost/7.9.3
version/mattermost mattermost/7.10.0

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