Mattermost: Security Vulnerabilities
Mattermost Mobile Apps versions <=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.
CVSS Score
6.5
EPSS Score
0.002
Published
2025-01-15
Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the frontend via crafted malicious input.
CVSS Score
6.5
EPSS Score
0.003
Published
2025-01-15
Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.
CVSS Score
4.3
EPSS Score
0.003
Published
2025-01-09
Mattermost versions 10.x <= 10.2 fail to accurately reflect missing settings, which allows confusion for admins regarding a Calls security-sensitive configuration via incorrect UI reporting.
CVSS Score
3.5
EPSS Score
0.001
Published
2025-01-09
Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the "allow_open_invite" field via making their team public.
CVSS Score
3.8
EPSS Score
0.001
Published
2025-01-09
Mattermost Android Mobile Apps versions <=2.21.0 fail to properly configure file providers which allows an attacker with local access to access files via file provider.
CVSS Score
5.7
EPSS Score
0.0
Published
2024-12-16
Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, 9.5.x <= 9.5.12 fail to properly validate the type of callProps which allows a user to cause a client side (webapp and mobile) DoS to users of particular channels, by sending a specially crafted post.
CVSS Score
6.5
EPSS Score
0.006
Published
2024-12-16
Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, 9.5.x <= 9.5.12 fail to limit the file size for slack import file uploads which allows a user to cause a DoS via zip bomb by importing data in a team they are a team admin.
CVSS Score
6.5
EPSS Score
0.002
Published
2024-12-16
Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, and 9.5.x <= 9.5.12 fail to prevent concurrently checking and updating the failed login attempts. which allows an attacker to bypass of "Max failed attempts" restriction and send a big number of login attempts before being blocked via simultaneously sending multiple login requests
CVSS Score
4.8
EPSS Score
0.001
Published
2024-12-16
Mattermost versions 9.7.x <= 9.7.5, 9.8.x <= 9.8.2 and 9.9.x <= 9.9.2 fail to properly propagate permission scheme updates across cluster nodes which allows a user to keep old permissions, even if the permission scheme has been updated.
CVSS Score
4.6
EPSS Score
0.001
Published
2024-12-05