Vulnerabilities (CVE)

Filtered by vendor Mattermost Subscribe
Filtered by product Mattermost
Total 76 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2024-6428 1 Mattermost 1 Mattermost 2024-11-21 N/A 5.3 MEDIUM
Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2, 9.5.x <= 9.5.5 fail to prevent specifying a RemoteId when creating a new user which allows an attacker to specify both a remoteId and the user ID, resulting in creating a user with a user-defined user ID. This can cause some broken functionality in User Management such administrative actions against the user not working.
CVE-2024-39830 1 Mattermost 1 Mattermost 2024-11-21 N/A 8.1 HIGH
Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster token via a timing attack during remote cluster token comparison.
CVE-2024-39807 1 Mattermost 1 Mattermost 2024-11-21 N/A 3.1 LOW
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to properly sanitize the recipients of a webhook event which allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels.
CVE-2024-39361 1 Mattermost 1 Mattermost 2024-11-21 N/A 3.1 LOW
Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5 fail to prevent users from specifying a RemoteId for their posts which allows an attacker to specify both a remoteId and the post ID, resulting in creating a post with a user-defined post ID. This can cause some broken functionality in the channel or thread with user-defined posts
CVE-2024-39353 1 Mattermost 1 Mattermost 2024-11-21 N/A 2.7 LOW
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.
CVE-2024-36257 1 Mattermost 1 Mattermost 2024-11-21 N/A 2.7 LOW
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0, when using shared channels with multiple remote servers connected, fail to check that the remote server A requesting the server B to update the profile picture of a user is the remote that actually has the user as a local one . This allows a malicious remote A to change the profile images of users that belong to another remote server C that is connected to the server A.
CVE-2023-7114 1 Mattermost 1 Mattermost 2024-11-21 N/A 7.1 HIGH
Mattermost version 2.10.0 and earlier fails to sanitize deeplink paths, which allows an attacker to perform CSRF attacks against the server.
CVE-2023-6202 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.
CVE-2023-5969 1 Mattermost 1 Mattermost 2024-11-21 N/A 5.3 MEDIUM
Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.
CVE-2023-5968 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.9 MEDIUM
Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body. 
CVE-2023-5967 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin
CVE-2023-5522 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 MEDIUM
Mattermost Mobile fails to limit the maximum number of Markdown elements in a post allowing an attacker to send a post with hundreds of emojis to a channel and freeze the mobile app of users when viewing that particular channel. 
CVE-2023-5196 1 Mattermost 1 Mattermost 2024-11-21 N/A 6.5 MEDIUM
Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users.
CVE-2023-5195 1 Mattermost 1 Mattermost 2024-11-21 N/A 6.5 MEDIUM
Mattermost fails to properly validate the permissions when soft deleting a team allowing a team member to soft delete other teams that they are not part of
CVE-2023-5194 1 Mattermost 1 Mattermost 2024-11-21 N/A 2.7 LOW
Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager
CVE-2023-5193 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.9 MEDIUM
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.
CVE-2023-5160 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to check the Show Full Name option at the /api/v4/teams/TEAM_ID/top/team_members endpoint allowing a member to get the full name of another user even if the Show Full Name option was disabled
CVE-2023-5159 1 Mattermost 1 Mattermost 2024-11-21 N/A 3.8 LOW
Mattermost fails to properly verify the permissions when managing/updating a bot allowing a User Manager role with user edit permissions to manage/update bots.
CVE-2023-4108 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.5 MEDIUM
Mattermost fails to sanitize post metadata during audit logging resulting in permalinks contents being logged
CVE-2023-4107 1 Mattermost 1 Mattermost 2024-11-21 N/A 6.7 MEDIUM
Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.