CVE-2017-18919

5.3 mediumEPSS 0.8%

Medium (5.3) in mattermost mattermost server. EPSS 0.8% chance of exploitation in the next 30 days.

An issue was discovered in Mattermost Server before 3.7.0 and 3.6.3. Attackers can use the API for unauthenticated team creation.

Severity

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2020-06-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19