What is the severity of CVE-2024-39353?

CVE-2024-39353 is classified as a high severity vulnerability due to its potential to expose sensitive message contents to high privileged attackers.

How do I fix CVE-2024-39353?

To fix CVE-2024-39353, you should upgrade Mattermost to a version higher than 9.5.5 or to 9.8.1 or above.

Which versions of Mattermost are affected by CVE-2024-39353?

CVE-2024-39353 affects Mattermost versions 9.5.0 through 9.5.5 and specifically version 9.8.0.

What does CVE-2024-39353 exploit?

CVE-2024-39353 exploits the failure of Mattermost to sanitize RemoteClusterFrame payloads before auditing, allowing access to sensitive data.

Who can be impacted by CVE-2024-39353?

CVE-2024-39353 can impact organizations where high privileged users have access to audit logs, potentially exposing confidential message content.

Vulnerability/
CVE-2024-39353

low

2.7

CWE

200

3/7/2024

15/7/2024

CVE-2024-39353: RemoteClusterFrame payloads are audit logged in full

First published: Wed Jul 03 2024(Updated: )

Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to sanitize the RemoteClusterFrame payloads before audit logging them which allows a high privileged attacker with access to the audit logs to read message contents.

Credit: responsibledisclosure@mattermost.com

Affected Software	Affected Version	How to fix
Mattermost	>=9.5.0<9.5.6
Mattermost	=9.8.0

Remedy

Update Mattermost to versions 9.9.0, 9.8.1, 9.5.6 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-2024-39353?
CVE-2024-39353 is classified as a high severity vulnerability due to its potential to expose sensitive message contents to high privileged attackers.
How do I fix CVE-2024-39353?
To fix CVE-2024-39353, you should upgrade Mattermost to a version higher than 9.5.5 or to 9.8.1 or above.
Which versions of Mattermost are affected by CVE-2024-39353?
CVE-2024-39353 affects Mattermost versions 9.5.0 through 9.5.5 and specifically version 9.8.0.
What does CVE-2024-39353 exploit?
CVE-2024-39353 exploits the failure of Mattermost to sanitize RemoteClusterFrame payloads before auditing, allowing access to sensitive data.
Who can be impacted by CVE-2024-39353?
CVE-2024-39353 can impact organizations where high privileged users have access to audit logs, potentially exposing confidential message content.

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