Vulnerabilities (CVE)

Filtered by vendor Mattermost Subscribe
Filtered by product Mattermost Server
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2019-20890 1 Mattermost 1 Mattermost Server 2021-07-21 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-2019-20883 1 Mattermost 1 Mattermost Server 2021-07-21 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-2019-20879 1 Mattermost 1 Mattermost Server 2021-07-21 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-2019-20875 1 Mattermost 1 Mattermost Server 2021-07-21 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-2019-20877 1 Mattermost 1 Mattermost Server 2021-07-21 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-2019-20841 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-2017-18883 1 Mattermost 1 Mattermost Server 2020-07-02 6.4 MEDIUM 9.1 CRITICAL
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2, when serving as an OAuth 2.0 Service Provider. There is low entropy for authorization data.
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-2017-18878 1 Mattermost 1 Mattermost Server 2020-06-30 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. Knowledge of a session ID allows revoking another user's session.
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-2018-21256 1 Mattermost 1 Mattermost Server 2020-06-30 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.1. It allows attackers to bypass intended access restrictions (for group-message channel creation) via the Group message slash command.
CVE-2018-21252 1 Mattermost 1 Mattermost Server 2020-06-30 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.2, 5.1.1, 5.0.3, and 4.10.3. Attackers could use multiple e-mail addresses to bypass a domain-based policy for signups.
CVE-2017-18872 1 Mattermost 1 Mattermost Server 2020-06-30 3.5 LOW 4.3 MEDIUM
An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3. Attackers could reconfigure an OAuth app in some cases where Mattermost is an OAuth 2.0 service provider.
CVE-2018-21261 1 Mattermost 1 Mattermost Server 2020-06-30 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 4.8.1, 4.7.4, and 4.6.3. An e-mail invite accidentally included the team invite_id, which leads to unintended excessive invitation privileges.
CVE-2018-21259 1 Mattermost 1 Mattermost Server 2020-06-30 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 4.10.1, 4.9.4, and 4.8.2. It allows attackers to cause a denial of service (application hang) via a malformed link in a channel.
CVE-2018-21257 1 Mattermost 1 Mattermost Server 2020-06-30 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 5.1. It allows attackers to bypass intended access restrictions (for setting a channel header) via the Channel header slash command API.
CVE-2018-21255 1 Mattermost 1 Mattermost Server 2020-06-30 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.1. Non-members of a channel could use the Channel PATCH API to modify that channel.
CVE-2018-21254 1 Mattermost 1 Mattermost Server 2020-06-30 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.1. An attacker can bypass intended access control (for direct-message channel creation) via the Message slash command.
CVE-2017-18873 1 Mattermost 1 Mattermost Server 2020-06-29 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to cause a denial of service (channel invisibility) via a misformatted post.
CVE-2017-18874 1 Mattermost 1 Mattermost Server 2020-06-29 5.5 MEDIUM 6.5 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can achieve directory traversal.
CVE-2018-21250 1 Mattermost 1 Mattermost Server 2020-06-29 4.3 MEDIUM 6.5 MEDIUM
An issue was discovered in Mattermost Server before 5.2.2, 5.1.2, and 4.10.4. It allows remote attackers to cause a denial of service (memory consumption) via crafted image dimensions.
CVE-2019-20866 1 Mattermost 1 Mattermost Server 2020-06-29 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-2019-20860 1 Mattermost 1 Mattermost Server 2020-06-29 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-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-2017-18870 1 Mattermost 1 Mattermost Server 2020-06-29 3.5 LOW 4.3 MEDIUM
An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, and 4.3.4. It mishandled webhook access control in the EnableOnlyAdminIntegrations case.
CVE-2017-18891 1 Mattermost 1 Mattermost Server 2020-06-29 5.8 MEDIUM 6.1 MEDIUM
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows Phishing because an error page can have a link.
CVE-2017-18876 1 Mattermost 1 Mattermost Server 2020-06-29 4.0 MEDIUM 4.9 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can test for the existence of an arbitrary file.
CVE-2017-18875 1 Mattermost 1 Mattermost Server 2020-06-29 4.0 MEDIUM 4.9 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can create arbitrary files.
CVE-2017-18890 1 Mattermost 1 Mattermost Server 2020-06-29 4.3 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows an attacker to create a button that, when pressed by a user, launches an API request.
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-2017-18880 1 Mattermost 1 Mattermost Server 2020-06-26 4.3 MEDIUM 6.1 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the title_link field of a Slack attachment.
CVE-2018-21251 1 Mattermost 1 Mattermost Server 2020-06-26 7.5 HIGH 9.8 CRITICAL
An issue was discovered in Mattermost Server before 5.2 and 5.1.1. Authorization could be bypassed if the channel name were not the same in the params and the body.
CVE-2018-21253 1 Mattermost 1 Mattermost Server 2020-06-26 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.1, 5.0.2, and 4.10.2. An attacker could use the invite_people slash command to invite a non-permitted user.
CVE-2017-18889 1 Mattermost 1 Mattermost Server 2020-06-26 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. An attacker could create fictive system-message posts via webhooks and slash commands, in the v3 or v4 REST API.
CVE-2017-18879 1 Mattermost 1 Mattermost Server 2020-06-26 4.3 MEDIUM 6.1 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the author_link field of a Slack attachment.
CVE-2017-18885 1 Mattermost 1 Mattermost Server 2020-06-26 7.5 HIGH 9.8 CRITICAL
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 accessing unintended API endpoints on a user's behalf.
CVE-2017-18882 1 Mattermost 1 Mattermost Server 2020-06-26 4.3 MEDIUM 6.1 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS can occur via OpenGraph data.
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-2017-18881 1 Mattermost 1 Mattermost Server 2020-06-26 4.3 MEDIUM 6.1 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via a goto_location response to a slash command.
CVE-2017-18887 1 Mattermost 1 Mattermost Server 2020-06-26 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It discloses the team creator's e-mail address to members.
CVE-2017-18888 1 Mattermost 1 Mattermost Server 2020-06-26 7.5 HIGH 9.8 CRITICAL
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows SQL injection during the fetching of multiple posts.
CVE-2017-18897 1 Mattermost 1 Mattermost Server 2020-06-26 5.8 MEDIUM 6.1 MEDIUM
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. It mishandles a deny action for a redirection.
CVE-2017-18898 1 Mattermost 1 Mattermost Server 2020-06-26 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows crafted posts that potentially cause a web browser to hang.
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-2016-11065 1 Mattermost 1 Mattermost Server 2020-06-26 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 3.3.0. An attacker could use the WebSocket feature to send pop-up messages to users or change a post's appearance.
CVE-2016-11062 1 Mattermost 1 Mattermost Server 2020-06-26 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 3.5.1. E-mail address verification can be bypassed.
CVE-2016-11072 1 Mattermost 1 Mattermost Server 2020-06-26 6.4 MEDIUM 6.5 MEDIUM
An issue was discovered in Mattermost Server before 3.0.2. The purposes of a session ID and a Session Token were mishandled.
CVE-2016-11074 1 Mattermost 1 Mattermost Server 2020-06-26 7.5 HIGH 9.8 CRITICAL
An issue was discovered in Mattermost Server before 3.0.0. A password-reset link could be reused.
CVE-2017-18912 1 Mattermost 1 Mattermost Server 2020-06-26 7.5 HIGH 9.8 CRITICAL
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. It allows an attacker to specify a full pathname of a log file.