Mattermost: >> Mattermost Server >> 5.5.2 Security Vulnerabilities
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.
CVSS Score
3.7
EPSS Score
0.002
Published
2021-12-17
Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post.
CVSS Score
3.5
EPSS Score
0.006
Published
2021-12-17
An issue was discovered in Mattermost Server before 5.7. It allows a bypass of e-mail address discovery restrictions.
CVSS Score
4.3
EPSS Score
0.002
Published
2020-06-19
An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.
CVSS Score
7.3
EPSS Score
0.003
Published
2020-06-19
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.
CVSS Score
5.3
EPSS Score
0.002
Published
2020-06-19
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.
CVSS Score
4.3
EPSS Score
0.002
Published
2020-06-19
An issue was discovered in Mattermost Server before 5.8.0. It allows attackers to partially attach a file to more than one post.
CVSS Score
5.3
EPSS Score
0.002
Published
2020-06-19
An issue was discovered in Mattermost Server before 5.8.0. It does not always generate a robots.txt file.
CVSS Score
7.5
EPSS Score
0.003
Published
2020-06-19
An issue was discovered in Mattermost Server before 5.8.0. The first user is sometimes inadvertently a system admin.
CVSS Score
7.5
EPSS Score
0.002
Published
2020-06-19
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.
CVSS Score
4.3
EPSS Score
0.001
Published
2020-06-19