Vulnerabilities (CVE)

Filtered by vendor Mattermost
Filtered by product Mattermost
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Total 76 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-2785 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to properly truncate the postgres error log message of a search query failure allowing an attacker to cause the creation of large log files which can result in Denial of Service
CVE-2023-2784 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.2 MEDIUM
Mattermost fails to verify if the requestor is a sysadmin or not, before allowing `install` requests to the Apps allowing a regular user send install requests to the Apps.
CVE-2023-2783 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 MEDIUM
Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.
CVE-2023-2514 1 Mattermost 1 Mattermost 2024-11-21 N/A 6.7 MEDIUM
Mattermost Sever fails to redact the DB username and password before emitting an application log during server initialization. 
CVE-2023-2193 1 Mattermost 1 Mattermost 2024-11-21 N/A 6.5 MEDIUM
Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.
CVE-2023-27264 1 Mattermost 1 Mattermost 2024-11-21 N/A 7.1 HIGH
A missing permissions check in Mattermost Playbooks in Mattermost allows an attacker to modify a playbook via the /plugins/playbooks/api/v0/playbooks/[playbookID] API.
CVE-2023-27263 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 MEDIUM
A missing permissions check in the /plugins/playbooks/api/v0/runs API in Mattermost allows an attacker to list and view playbooks belonging to a team they are not a member of.
CVE-2023-1562 1 Mattermost 1 Mattermost 2024-11-21 N/A 3.5 LOW
Mattermost fails to check the "Show Full Name" setting when rendering the result for the /plugins/focalboard/api/v2/users API call, allowing an attacker to learn the full name of a board owner.
CVE-2022-4045 1 Mattermost 1 Mattermost 2024-11-21 N/A 3.1 LOW
A denial-of-service vulnerability in the Mattermost allows an authenticated user to crash the server via multiple requests to one of the API endpoints which could fetch a large amount of data. 
CVE-2022-4044 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 MEDIUM
A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.
CVE-2022-4019 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 MEDIUM
A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints.
CVE-2022-2408 1 Mattermost 1 Mattermost 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.
CVE-2022-2406 1 Mattermost 1 Mattermost 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.
CVE-2022-1003 1 Mattermost 1 Mattermost 2024-11-21 4.0 MEDIUM 3.3 LOW
One of the API in Mattermost version 6.3.0 and earlier fails to properly protect the permissions, which allows the system administrators to combine the two distinct privileges/capabilities in a way that allows them to override certain restricted configurations like EnableUploads.
CVE-2022-1002 1 Mattermost 1 Mattermost 2024-11-21 3.5 LOW 2.0 LOW
Mattermost 6.3.0 and earlier fails to properly sanitize the HTML content in the email invitation sent to guest users, which allows registered users with special permissions to invite guest users to inject unescaped HTML content in the email invitations.
CVE-2022-0708 1 Mattermost 1 Mattermost 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
Mattermost 6.3.0 and earlier fails to protect email addresses of the creator of the team via one of the APIs, which allows authenticated team members to access this information resulting in sensitive & private information disclosure.
CVE-2021-37865 1 Mattermost 1 Mattermost 2024-11-21 3.5 LOW 4.3 MEDIUM
Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
CVE-2021-37864 1 Mattermost 1 Mattermost 2024-11-21 4.0 MEDIUM 2.6 LOW
Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels, which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the APIs.
CVE-2021-37861 1 Mattermost 1 Mattermost 2024-11-21 5.0 MEDIUM 5.8 MEDIUM
Mattermost 6.0.2 and earlier fails to sufficiently sanitize user's password in audit logs when user creation fails.
CVE-2021-37860 1 Mattermost 1 Mattermost 2024-11-21 2.6 LOW 3.7 LOW
Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.
CVE-2021-37859 1 Mattermost 1 Mattermost 2024-11-21 4.3 MEDIUM 7.1 HIGH
Fixed a bypass for a reflected cross-site scripting vulnerability affecting OAuth-enabled instances of Mattermost.
CVE-2020-13891 1 Mattermost 1 Mattermost 2024-11-21 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party servers could sometimes obtain authorization tokens, aka MMSA-2020-0022.
CVE-2019-20851 1 Mattermost 1 Mattermost 2024-11-21 6.4 MEDIUM 9.1 CRITICAL
An issue was discovered in Mattermost Mobile Apps before 1.26.0. An attacker can use directory traversal with the Video Preview feature to overwrite arbitrary files on a device.
CVE-2024-10214 1 Mattermost 1 Mattermost 2024-11-05 N/A 3.5 LOW
Mattermost versions 9.11.X <= 9.11.1, 9.5.x <= 9.5.9 icorrectly issues two sessions when using desktop SSO - one in the browser and one in desktop with incorrect settings.
CVE-2024-32939 1 Mattermost 1 Mattermost 2024-08-23 N/A 3.7 LOW
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server."
CVE-2024-39810 1 Mattermost 1 Mattermost 2024-08-23 N/A 4.9 MEDIUM
Mattermost versions 9.5.x <= 9.5.7 and 9.10.x <= 9.10.0 fail to time limit and size limit the CA path file in the ElasticSearch configuration which allows a System Role with access to the Elasticsearch system console to add any file as a CA path field, such as /dev/zero and, after testing the connection, cause the application to crash.
CVE-2024-39836 1 Mattermost 1 Mattermost 2024-08-23 N/A 6.5 MEDIUM
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allows the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, when they are valid, functional emails.
CVE-2024-40886 1 Mattermost 1 Mattermost 2024-08-23 N/A 8.8 HIGH
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to sanitize user inputs in the frontend that are used for redirection which allows for a one-click client-side path traversal that is leading to CSRF in User Management page of the system console.
CVE-2024-42411 1 Mattermost 1 Mattermost 2024-08-23 N/A 5.3 MEDIUM
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to restrict the input in POST /api/v4/users which allows a user to manipulate the creation date in POST /api/v4/users tricking the admin into believing their account is much older.
CVE-2024-43813 1 Mattermost 1 Mattermost 2024-08-23 N/A 4.3 MEDIUM
Mattermost versions 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 fail to enforce proper access controls which allows any authenticated user, including guests, to mark any channel inside any team as read for any user.
CVE-2024-8071 1 Mattermost 1 Mattermost 2024-08-23 N/A 7.2 HIGH
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to restrict which roles can promote a user as system admin which allows a System Role with edit access to the permissions section of system console to update their role (e.g. member) to include the `manage_system` permission, effectively becoming a System Admin.
CVE-2024-29977 1 Mattermost 1 Mattermost 2024-08-23 N/A 4.3 MEDIUM
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts
CVE-2024-36492 1 Mattermost 1 Mattermost 2024-08-23 N/A 6.4 MEDIUM
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow the modification of local users when syncing users in shared channels. which allows a malicious remote to overwrite an existing local user.
CVE-2024-39274 1 Mattermost 1 Mattermost 2024-08-23 N/A 6.5 MEDIUM
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels
CVE-2024-39777 1 Mattermost 1 Mattermost 2024-08-23 N/A 9.6 CRITICAL
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin.
CVE-2024-39832 1 Mattermost 1 Mattermost 2024-08-23 N/A 8.7 HIGH
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to properly safeguard an error handling which allows a malicious remote to permanently delete local data by abusing dangerous error handling, when share channels were enabled.