CVE-2025-2564: Unauthorized View Access to Archived Channel Member Info

Published Apr 16, 2025
·
Updated

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to properly enforce the 'Allow users to view/update archived channels' System Console setting, which allows authenticated users to view members and member information of archived channels even when this setting is disabled.

Affected Software

8 affected componentsFixes available
Mattermost Mattermost<=10.5.1, <=10.4.3, <=9.11.9
go/github.com/mattermost/mattermost/server/v8<8.0.0-20250314142426-c049748b8863
8.0.0-20250314142426-c049748b8863
go/github.com/mattermost/mattermost/server/v8>=9.11.0<9.11.10
9.11.10
go/github.com/mattermost/mattermost/server/v8>=10.4.0<10.4.4
10.4.4
go/github.com/mattermost/mattermost/server/v8>=10.5.0<10.5.2
10.5.2
Mattermost Mattermost Server>=9.11.0<9.11.10
Mattermost Mattermost Server>=10.4.0<10.4.4
Mattermost Mattermost Server>=10.5.0<10.5.2

Remediation

Information

Update Mattermost to versions 10.6.0, 10.5.2, 10.4.4, 9.11.10 or higher.

Event History

Apr 16, 2025
CVE Published
via MITRE·04:12 PM
Data Sourced
via MITRE·04:12 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
Affected Software
Advisory Published
via GitHub·06:31 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-2564?

CVE-2025-2564 is classified as a moderate severity vulnerability.

2

How does CVE-2025-2564 affect Mattermost users?

CVE-2025-2564 allows authenticated users to access member information of archived channels contrary to configured settings.

3

How do I fix CVE-2025-2564?

To fix CVE-2025-2564, upgrade Mattermost to at least version 10.5.2, 10.4.4, or 9.11.10.

4

Which versions of Mattermost are vulnerable to CVE-2025-2564?

Mattermost versions 10.5.x up to 10.5.1, 10.4.x up to 10.4.3, and 9.11.x up to 9.11.9 are vulnerable to CVE-2025-2564.

5

Can unprivileged users exploit CVE-2025-2564?

Yes, unprivileged authenticated users can exploit CVE-2025-2564 to view sensitive information in archived channels.

Company

Resources

Contact

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