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CVE-2024-52032

Private channel names leaking when Elasticsearch is enabled

Mattermost versions 10.0.x <= 10.0.0 and 9.11.x <= 9.11.2 fail to properly query ElasticSearch when searching for the channel name in channel switcher which allows an attacker to get private channels names of channels that they are not a member of, when Elasticsearch v8 was enabled.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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Mattermost Server
CVE-2024-46872

Client-Side Path Traversal Leading to CSRF in Playbooks

Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 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 Playbooks

CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed
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Mattermost Server
CVE-2024-10214

Incorrect Session Creation with Desktop SSO

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.

CVSS 3.1 · 3.5 Low EPSS < 1% KEV · Not listed
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Mattermost
CVE-2024-45835

Insufficient Electron Fuses Configuration

Mattermost Desktop App versions <=5.8.0 fail to sufficiently configure Electron Fuses which allows an attacker to gather Chromium cookies or abuse other misconfigurations via remote/local access.

CVSS 3.1 · 2.5 Low EPSS < 1% KEV · Not listed
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Mattermost
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Mattermost Desktop
CVE-2024-39772

Silent Desktop Screenshot Capture

Mattermost Desktop App versions <=5.8.0 fail to safeguard screen capture functionality which allows an attacker to silently capture high-quality screenshots via JavaScript APIs.

CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed
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Mattermost
Products
Mattermost Desktop
CVE-2024-40884

Unauthorized disabling of invite URL

Mattermost versions 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 fail to properly enforce permissions which allows a team admin user without "Add Team Members" permission to disable the invite URL.

CVSS 3.1 · 2.7 Low EPSS < 1% KEV · Not listed
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Mattermost Server
CVE-2024-43780

Unauthorized channel file upload

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.0, 9.8.x <= 9.8.2 fail to enforce permissions which allows a guest user with read access to upload files to a channel.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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Mattermost
Products
Mattermost Server
CVE-2024-42497

Insufficient permissions checks on teams

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 properly enforce permissions which allows a user with systems manager role with read-only access to teams to perform write operations on teams.

CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed
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Mattermost Mattermost Server
CVE-2024-42406

Unauthorized access on archived channels

Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
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Mattermost Server
CVE-2024-47145

Unauthorized access on archived channels via file links

Mattermost versions 9.5.x <= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.

CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
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Mattermost Server
CVE-2024-47003

DoS via non-string message using permalink embed

Mattermost versions 9.11.x <= 9.11.0 and 9.5.x <= 9.5.8 fail to validate that the message of the permalink post is a string, which allows an attacker to send a non-string value as the message of a permalink post and crash the frontend.

CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
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Mattermost Server
CVE-2024-45843

Weak SSRF Filtering

Mattermost versions 9.5.x <= 9.5.8 fail to include the metadata endpoints of Oracle Cloud and Alibaba in the SSRF denylist, which allows an attacker to possibly cause an SSRF if Mattermost was deployed in Oracle Cloud or Alibaba.

CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
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Mattermost Server
CVE-2024-45833

Mobile password gets saved in dictionary under conditions

Mattermost Mobile Apps versions <=2.18.0 fail to disable autocomplete during login while typing the password and visible password is selected, which allows the password to get saved in the dictionary when the user has Swiftkey as the default keyboard, the masking is off and the password contains a special character..

CVSS 3.1 · 4.5 Medium EPSS < 1% KEV · Not listed
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Mattermost
Products
Mattermost Mobile
CVE-2024-39613

RCE in desktop app in Windows by local attacker

Mattermost Desktop App versions <=5.8.0 fail to specify an absolute path when searching the cmd.exe file, which allows a local attacker who is able to put an cmd.exe file in the Downloads folder of a user's machine to cause remote code execution on that machine.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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Mattermost Desktop
CVE-2024-39837

Malicious remote can create arbitrary channels

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly restrict channel creation which allows a malicious remote to create arbitrary channels, when shared channels were enabled.

CVSS 3.1 · 3.8 Low EPSS < 1% KEV · Not listed
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Mattermost Server
CVE-2024-39839

Remote username set to an arbitrary string by remote user

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 users to set their own remote username, when shared channels were enabled, which allows a user on a remote to set their remote username prop to an arbitrary string, which would be then synced to the local server as long as the user hadn't been synced before.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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Mattermost Server
CVE-2024-41144

Malicious remote can create/update/delete arbitrary posts in arbitrary channels

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 validate synced posts, when shared channels are enabled,  which allows a malicious remote to create/update/delete arbitrary posts in arbitrary channels

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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Mattermost Server
CVE-2024-41162

Malicious remote can make an arbitrary local channel read-only

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 the modification of local channels by a remote, when shared channels are enabled, which allows a malicious remote to make an arbitrary local channel read-only.

CVSS 3.1 · 4.1 Medium EPSS < 1% KEV · Not listed
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Mattermost Server
CVE-2024-41926

Malicious remote can claim that a user was synced from another remote

Mattermost versions 9.9.x <= 9.9.0 and 9.5.x <= 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs, which allows a malicious remote to set arbitrary RemoteId values for synced users and therefore claim that a user was synced from another remote.

CVSS 3.1 · 2.7 Low EPSS < 1% KEV · Not listed
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Mattermost
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Mattermost Server
CVE-2024-32939

Email addresses of remote users visible in props regardless of server settings

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."

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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Mattermost
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Mattermost