Vulnerabilities (CVE)

Filtered by vendor Mattermost
Filtered by product Mattermost Server
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Total 359 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2021-37862 1 Mattermost 1 Mattermost Server 2024-11-21 5.8 MEDIUM 3.7 LOW
Mattermost 6.0 and earlier fails to sufficiently validate the email address during registration, which allows attackers to trick users into signing up using attacker-controlled email addresses via crafted invitation token.
CVE-2020-14460 1 Mattermost 1 Mattermost Server 2024-11-21 4.0 MEDIUM 6.5 MEDIUM
An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.
CVE-2020-14459 1 Mattermost 1 Mattermost Server 2024-11-21 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-2020-14458 1 Mattermost 1 Mattermost Server 2024-11-21 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-2020-14457 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 5.20.0. Non-members can receive broadcasted team details via the update_team WebSocket event, aka MMSA-2020-0012.
CVE-2020-14453 1 Mattermost 1 Mattermost Server 2024-11-21 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.
CVE-2020-14452 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 5.21.0. mmctl allows directory traversal via HTTP, aka MMSA-2020-0014.
CVE-2020-14450 1 Mattermost 1 Mattermost Server 2024-11-21 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-2020-14448 1 Mattermost 1 Mattermost Server 2024-11-21 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-2020-14447 1 Mattermost 1 Mattermost Server 2024-11-21 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-2019-20890 1 Mattermost 1 Mattermost Server 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.7. It allows a bypass of e-mail address discovery restrictions.
CVE-2019-20889 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It mishandles permissions for user-access token creation.
CVE-2019-20888 1 Mattermost 1 Mattermost Server 2024-11-21 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-2019-20887 1 Mattermost 1 Mattermost Server 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.7.1, 5.6.4, 5.5.3, and 4.10.6. It does not honor flags API permissions when deciding whether a user can receive intra-team posts.
CVE-2019-20886 1 Mattermost 1 Mattermost Server 2024-11-21 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-2019-20885 1 Mattermost 1 Mattermost Server 2024-11-21 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-2019-20884 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 5.8.0. It allows attackers to partially attach a file to more than one post.
CVE-2019-20883 1 Mattermost 1 Mattermost Server 2024-11-21 3.5 LOW 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.8.0, when Town Square is set to Read-Only. Users can pin or unpin a post.
CVE-2019-20882 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 5.8.0. It does not honor the domain requirement when processing a join request for an open team.
CVE-2019-20881 1 Mattermost 1 Mattermost Server 2024-11-21 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-2019-20880 1 Mattermost 1 Mattermost Server 2024-11-21 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-2019-20879 1 Mattermost 1 Mattermost Server 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. Changes to e-mail addresses do not require credential re-entry.
CVE-2019-20878 1 Mattermost 1 Mattermost Server 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. Changes, within the application, to e-mail addresses are mishandled.
CVE-2019-20877 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
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 about whether someone has 2FA enabled.
CVE-2019-20876 1 Mattermost 1 Mattermost Server 2024-11-21 5.5 MEDIUM 5.4 MEDIUM
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. Users can deactivate themselves, bypassing a policy.
CVE-2019-20875 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows a password reset to proceed while an e-mail address is being changed.
CVE-2019-20874 1 Mattermost 1 Mattermost Server 2024-11-21 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-2019-20873 1 Mattermost 1 Mattermost Server 2024-11-21 4.0 MEDIUM 6.5 MEDIUM
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 user activation/deactivation.
CVE-2019-20872 1 Mattermost 1 Mattermost Server 2024-11-21 2.1 LOW 5.5 MEDIUM
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. SSRF can attack local services.
CVE-2019-20871 1 Mattermost 1 Mattermost Server 2024-11-21 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. The Markdown library allows catastrophic backtracking.
CVE-2019-20870 1 Mattermost 1 Mattermost Server 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.10.0. An attacker can bypass the intended appearance of the Edited flag after changing a post's file ID.
CVE-2019-20869 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 5.10.0, 5.9.1, 5.8.2, and 4.10.9. A non-member could change the Update/Patch Channel endpoint for a private channel.
CVE-2019-20868 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.11.0. Invite IDs were improperly generated.
CVE-2019-20867 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 5.11.0. An attacker can interfere with a channel's post loading via one crafted post.
CVE-2019-20866 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 5.12.0. Use of a Proxy HTTP header, rather than the source address in an IP packet header, for obtaining IP address information was mishandled.
CVE-2019-20865 1 Mattermost 1 Mattermost Server 2024-11-21 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-2019-20863 1 Mattermost 1 Mattermost Server 2024-11-21 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-2019-20862 1 Mattermost 1 Mattermost Server 2024-11-21 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-2019-20860 1 Mattermost 1 Mattermost Server 2024-11-21 4.3 MEDIUM 5.5 MEDIUM
An issue was discovered in Mattermost Server before 5.14.0, 5.13.3, 5.12.6, and 5.9.4. It allows remote attackers to cause a denial of service (application hang) via a crafted SVG document.
CVE-2019-20859 1 Mattermost 1 Mattermost Server 2024-11-21 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.