What is the vulnerability ID for this Mattermost Apps Framework vulnerability?

The vulnerability ID for this Mattermost Apps Framework vulnerability is CVE-2023-2783.

What is the severity of CVE-2023-2783?

CVE-2023-2783 has a severity level of medium with a CVSS score of 4.3.

What is the affected software for CVE-2023-2783?

The affected software for CVE-2023-2783 is Mattermost version 7.8.0 to 7.8.4, 7.9.0 to 7.9.3, and 7.10.0.

How can an attacker exploit this vulnerability?

An attacker can exploit this vulnerability by providing an incorrect secret in the incoming webhook request, allowing them to modify the contents of the post sent by the Apps.

Is there a fix available for CVE-2023-2783?

Yes, Mattermost has released security updates to address CVE-2023-2783. It is recommended to update to the latest version of Mattermost.

Vulnerability/
CVE-2023-2783

medium

4.3

CWE

862

16/6/2023

2/8/2024

CVE-2023-2783: App Framework does not checks for the secret provided in the incoming webhook request

First published: Fri Jun 16 2023(Updated: )

Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.

Credit: responsibledisclosure@mattermost.com

Affected Software	Affected Version	How to fix
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 Versions 7.8.5, 7.9.4, 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 Apps Framework vulnerability?
The vulnerability ID for this Mattermost Apps Framework vulnerability is CVE-2023-2783.
What is the severity of CVE-2023-2783?
CVE-2023-2783 has a severity level of medium with a CVSS score of 4.3.
What is the affected software for CVE-2023-2783?
The affected software for CVE-2023-2783 is Mattermost version 7.8.0 to 7.8.4, 7.9.0 to 7.9.3, and 7.10.0.
How can an attacker exploit this vulnerability?
An attacker can exploit this vulnerability by providing an incorrect secret in the incoming webhook request, allowing them to modify the contents of the post sent by the Apps.
Is there a fix available for CVE-2023-2783?
Yes, Mattermost has released security updates to address CVE-2023-2783. It is recommended to update to the latest version of Mattermost.

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vendor/mattermost
canonical/mattermost mattermost
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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