What is the severity of CVE-2023-49874?

CVE-2023-49874 is considered a medium severity vulnerability.

How do I fix CVE-2023-49874?

To fix CVE-2023-49874, update Mattermost Server to version 7.8.15 or later, or to a version in the 8.1.6 or 9.0.4 series and above.

Who is affected by CVE-2023-49874?

CVE-2023-49874 affects all users of Mattermost Server versions up to 7.8.14 and various versions from 8.0.0 to 9.2.1.

What are the implications of CVE-2023-49874?

CVE-2023-49874 allows guest users to modify tasks in a private playbook run if they have the run ID, leading to unauthorized access.

Is there a workaround for CVE-2023-49874?

There is currently no confirmed workaround for CVE-2023-49874; upgrading to a patched version is recommended.

Vulnerability/
CVE-2023-49874

medium

4.3

CWE

284

12/12/2023

2/8/2024

CVE-2023-49874: IDOR when updating the tasks of a private playbook run

First published: Tue Dec 12 2023(Updated: )

Mattermost fails to check whether a user is a guest when updating the tasks of a private playbook run allowing a guest to update the tasks of a private playbook run if they know the run ID.

Credit: responsibledisclosure@mattermost.com

Affected Software	Affected Version	How to fix
Mattermost	<=7.8.14
Mattermost	>=8.0.0<=8.1.5
Mattermost	>=9.0.0<=9.0.3
Mattermost	>=9.1.1<=9.1.2
Mattermost	>=9.2.0<=9.2.1

Remedy

Update Mattermost Server to versions 9.2.2, 8.1.6, 9.0.4, 9.1.3, 7.8.15 or higher.

Never miss a vulnerability like this again

Reference Links

https://mattermost.com/security-updates

Frequently Asked Questions

What is the severity of CVE-2023-49874?
CVE-2023-49874 is considered a medium severity vulnerability.
How do I fix CVE-2023-49874?
To fix CVE-2023-49874, update Mattermost Server to version 7.8.15 or later, or to a version in the 8.1.6 or 9.0.4 series and above.
Who is affected by CVE-2023-49874?
CVE-2023-49874 affects all users of Mattermost Server versions up to 7.8.14 and various versions from 8.0.0 to 9.2.1.
What are the implications of CVE-2023-49874?
CVE-2023-49874 allows guest users to modify tasks in a private playbook run if they have the run ID, leading to unauthorized access.
Is there a workaround for CVE-2023-49874?
There is currently no confirmed workaround for CVE-2023-49874; upgrading to a patched version is recommended.

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