What is the severity of CVE-2023-5193?

The severity of CVE-2023-5193 is medium with a severity value of 4.9.

How does Mattermost fail to properly check permissions in CVE-2023-5193?

Mattermost fails to properly check permissions when retrieving a post, allowing a System Role with the permission to manage channels to read the posts of a DM conversation.

Which versions of Mattermost are affected by CVE-2023-5193?

Versions 7.8.10, 8.0.0 to 8.0.1, and 8.1.0 are affected by CVE-2023-5193.

How can I fix CVE-2023-5193?

To fix CVE-2023-5193, update to Mattermost version 7.8.11, 8.0.2, or 8.1.1.

Where can I find more information about CVE-2023-5193?

You can find more information about CVE-2023-5193 at the following references: [NVD](https://nvd.nist.gov/vuln/detail/CVE-2023-5193), [Mattermost Security Updates](https://mattermost.com/security-updates), [GitHub Advisories](https://github.com/advisories/GHSA-h8wh-f7gw-fwpr).

Vulnerability/
CVE-2023-5193

medium

4.9

CWE

863

29/9/2023

3/10/2023

CVE-2023-5193

First published: Fri Sep 29 2023(Updated: )

Mattermost fails to properly check permissions when retrieving a post allowing for a System Role with the permission to manage channels to read the posts of a DM conversation.

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

Affected Software	Affected Version	How to fix
go/github.com/mattermost/mattermost-server/v6	<7.8.10	7.8.10
go/github.com/mattermost/mattermost/server/v8	>=8.0.0<8.0.2	8.0.2
go/github.com/mattermost/mattermost/server/v8	=8.1.0	8.1.1
Mattermost Mattermost	>=7.0.0<7.8.10
Mattermost Mattermost	>=8.0.0<8.0.2
Mattermost Mattermost	>=8.1.0<8.1.1

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-5193?
The severity of CVE-2023-5193 is medium with a severity value of 4.9.
How does Mattermost fail to properly check permissions in CVE-2023-5193?
Mattermost fails to properly check permissions when retrieving a post, allowing a System Role with the permission to manage channels to read the posts of a DM conversation.
Which versions of Mattermost are affected by CVE-2023-5193?
Versions 7.8.10, 8.0.0 to 8.0.1, and 8.1.0 are affected by CVE-2023-5193.
How can I fix CVE-2023-5193?
To fix CVE-2023-5193, update to Mattermost version 7.8.11, 8.0.2, or 8.1.1.
Where can I find more information about CVE-2023-5193?
You can find more information about CVE-2023-5193 at the following references: [NVD](https://nvd.nist.gov/vuln/detail/CVE-2023-5193), [Mattermost Security Updates](https://mattermost.com/security-updates), [GitHub Advisories](https://github.com/advisories/GHSA-h8wh-f7gw-fwpr).

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version/mattermost mattermost/8.1.0

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