Vulnerabilities (CVE)

Filtered by vendor Mattermost Subscribe
Filtered by product Mattermost Server
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-45316 1 Mattermost 1 Mattermost Server 2023-12-14 N/A 8.8 HIGH
Mattermost fails to validate if a relative path is passed in /plugins/playbooks/api/v0/telemetry/run/<telem_run_id> as a telemetry run ID, allowing an attacker to use a path traversal payload that points to a different endpoint leading to a CSRF attack.
CVE-2023-49607 1 Mattermost 1 Mattermost Server 2023-12-14 N/A 7.5 HIGH
Mattermost fails to validate the type of the "reminder" body request parameter allowing an attacker to crash the Playbook Plugin when updating the status dialog.
CVE-2023-45847 1 Mattermost 1 Mattermost Server 2023-12-14 N/A 7.5 HIGH
Mattermost fails to to check the length when setting the title in a run checklist in Playbooks, allowing an attacker to send a specially crafted request and crash the Playbooks plugin
CVE-2023-3581 1 Mattermost 1 Mattermost Server 2023-07-27 N/A 8.1 HIGH
Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.
CVE-2023-3590 1 Mattermost 1 Mattermost Server 2023-07-27 N/A 7.5 HIGH
Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.
CVE-2023-3591 1 Mattermost 1 Mattermost Server 2023-07-27 N/A 8.2 HIGH
Mattermost fails to invalidate previously generated password reset tokens when a new reset token was created.
CVE-2022-1384 1 Mattermost 1 Mattermost Server 2022-04-27 6.0 MEDIUM 8.8 HIGH
Mattermost version 6.4.x and earlier fails to properly check the plugin version when a plugin is installed from the Marketplace, which allows an authenticated and an authorized user to install and exploit an old plugin version from the Marketplace which might have known vulnerabilities.
CVE-2020-14458 1 Mattermost 1 Mattermost Server 2021-07-21 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.19.0. Attackers can discover private channels via the "get channel by name" API, aka MMSA-2020-0004.
CVE-2019-20845 1 Mattermost 1 Mattermost Server 2021-07-21 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.18.0. It allows attackers to cause a denial of service (memory consumption) via a large Slack import.
CVE-2019-20855 1 Mattermost 1 Mattermost Server 2021-07-21 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.16.1, 5.15.2, 5.14.5, and 5.9.6. It allows attackers to obtain sensitive information (local files) during legacy attachment migration.
CVE-2019-20859 1 Mattermost 1 Mattermost Server 2021-07-21 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.15.0. Login access control can be bypassed via crafted input.
CVE-2019-20874 1 Mattermost 1 Mattermost Server 2021-07-21 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information during a role change.
CVE-2019-20880 1 Mattermost 1 Mattermost Server 2021-07-21 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. It allows attackers to cause a denial of service (memory consumption) via OpenGraph.
CVE-2019-20881 1 Mattermost 1 Mattermost Server 2021-07-21 7.5 HIGH 7.3 HIGH
An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.
CVE-2019-20885 1 Mattermost 1 Mattermost Server 2021-07-21 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.8.0. It does not always generate a robots.txt file.
CVE-2019-20841 1 Mattermost 1 Mattermost Server 2021-04-12 6.8 MEDIUM 8.8 HIGH
An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. CSRF can sometimes occur via a crafted web site for account takeover attacks.
CVE-2017-18884 1 Mattermost 1 Mattermost Server 2020-06-30 5.5 MEDIUM 8.1 HIGH
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to gain privileges by using a registered OAuth application with personal access tokens.
CVE-2018-21264 1 Mattermost 1 Mattermost Server 2020-06-30 6.5 MEDIUM 8.8 HIGH
An issue was discovered in Mattermost Server before 4.7.0, 4.6.2, and 4.5.2. It did not enforce the expiration date of a SAML response.
CVE-2017-18906 1 Mattermost 1 Mattermost Server 2020-06-29 4.9 MEDIUM 8.1 HIGH
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when Single Sign-On OAuth2 is used. An attacker could claim somebody else's account.
CVE-2017-18886 1 Mattermost 1 Mattermost Server 2020-06-26 6.5 MEDIUM 8.8 HIGH
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows a bypass of restrictions on use of slash commands.
CVE-2019-20863 1 Mattermost 1 Mattermost Server 2020-06-26 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.13.0. Incoming webhook creation is not properly restricted.
CVE-2017-18871 1 Mattermost 1 Mattermost Server 2020-06-26 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, 4.3.4, and 4.2.2. It allows attackers to cause a denial of service (application crash) via an @ character before a JavaScript field name.
CVE-2016-11069 1 Mattermost 1 Mattermost Server 2020-06-26 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 3.2.0. It mishandles brute-force attempts at password change.
CVE-2017-18894 1 Mattermost 1 Mattermost Server 2020-06-26 5.5 MEDIUM 8.1 HIGH
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider. Sometimes. resource-owner authorization is bypassed, allowing account takeover.
CVE-2015-9548 1 Mattermost 1 Mattermost Server 2020-06-25 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 1.2.0. It allows attackers to cause a denial of service (memory consumption) via a small compressed file that has a large size when uncompressed.
CVE-2018-21263 1 Mattermost 1 Mattermost Server 2020-06-25 6.5 MEDIUM 8.8 HIGH
An issue was discovered in Mattermost Server before 4.7.0, 4.6.2, and 4.5.2. An attacker could authenticate to a different user's account via a crafted SAML response.
CVE-2017-18903 1 Mattermost 1 Mattermost Server 2020-06-25 5.1 MEDIUM 8.8 HIGH
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. CSRF can occur if CORS is enabled.
CVE-2017-18909 1 Mattermost 1 Mattermost Server 2020-06-25 4.3 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 3.9.0 when SAML is used. Encryption and signature verification are not mandatory.
CVE-2018-21248 1 Mattermost 1 Mattermost Server 2020-06-24 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.4.0. It mishandles possession of superfluous authentication credentials.
CVE-2016-11066 1 Mattermost 1 Mattermost Server 2020-06-24 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 3.2.0. The initial_load API disclosed unnecessary personal information.
CVE-2018-21258 1 Mattermost 1 Mattermost Server 2020-06-23 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.1. It allows attackers to cause a denial of service via the invite_people slash command.
CVE-2017-18917 1 Mattermost 1 Mattermost Server 2020-06-23 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. Weak hashing was used for e-mail invitations, OAuth, and e-mail verification tokens.
CVE-2019-20854 1 Mattermost 1 Mattermost Server 2020-06-23 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.17.0. It allows remote attackers to cause a denial of service (client-side application crash) via a LaTeX message.
CVE-2019-20862 1 Mattermost 1 Mattermost Server 2020-06-23 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.13.0. Non-members may fetch a team's slash commands.
CVE-2019-20868 1 Mattermost 1 Mattermost Server 2020-06-23 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.11.0. Invite IDs were improperly generated.
CVE-2019-20871 1 Mattermost 1 Mattermost Server 2020-06-23 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. The Markdown library allows catastrophic backtracking.
CVE-2019-20886 1 Mattermost 1 Mattermost Server 2020-06-23 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.8.0. The first user is sometimes inadvertently a system admin.
CVE-2019-20857 1 Mattermost 1 Mattermost Server 2020-06-23 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.16.0. It allows attackers to cause a denial of service (markdown renderer hang) via many backtick characters.
CVE-2019-20858 1 Mattermost 1 Mattermost Server 2020-06-23 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.15.0. It allows attackers to cause a denial of service (CPU consumption) via crafted characters in a SQL LIKE clause to an APIv4 endpoint.
CVE-2019-20865 1 Mattermost 1 Mattermost Server 2020-06-23 6.8 MEDIUM 8.8 HIGH
An issue was discovered in Mattermost Server before 5.12.0, 5.11.1, 5.10.2, 5.9.2, and 4.10.10. The login page allows CSRF.
CVE-2020-14448 1 Mattermost 1 Mattermost Server 2020-06-20 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.23.0. Automatic direct message replies allow attackers to cause a denial of service (infinite loop), aka MMSA-2020-0020.
CVE-2018-21262 1 Mattermost 1 Mattermost Server 2020-06-20 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 4.7.3. It allows attackers to cause a denial of service (application crash) via invalid LaTeX text.
CVE-2019-20888 1 Mattermost 1 Mattermost Server 2020-06-20 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It allows attackers to cause a denial of service (memory consumption) via an outgoing webhook or a slash command integration.
CVE-2020-14450 1 Mattermost 1 Mattermost Server 2020-06-19 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.22.0. The markdown renderer allows attackers to cause a denial of service (client-side), aka MMSA-2020-0017.
CVE-2019-20846 1 Mattermost 1 Mattermost Server 2020-06-19 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.18.0. It has weak permissions for server-local file storage.
CVE-2019-20842 1 Mattermost 1 Mattermost Server 2020-06-19 6.5 MEDIUM 7.2 HIGH
An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. There is SQL injection by admins via SearchAllChannels.
CVE-2019-20843 1 Mattermost 1 Mattermost Server 2020-06-19 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. There are weak permissions for configuration files.
CVE-2020-14447 1 Mattermost 1 Mattermost Server 2020-06-19 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.23.0. Large webhook requests allow attackers to cause a denial of service (infinite loop), aka MMSA-2020-0021.
CVE-2020-14459 1 Mattermost 1 Mattermost Server 2020-06-19 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.19.0. Attackers can rename a channel and cause a collision with a direct message, aka MMSA-2020-0002.
CVE-2020-14453 1 Mattermost 1 Mattermost Server 2020-06-19 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.21.0. Socket read operations are not appropriately restricted, which allows attackers to cause a denial of service, aka MMSA-2020-0005.