CVE-2019-20890

4.3 mediumEPSS 0.8%

Medium (4.3) in mattermost mattermost server. EPSS 0.8% chance of exploitation in the next 30 days.

An issue was discovered in Mattermost Server before 5.7. It allows a bypass of e-mail address discovery restrictions.

Severity

4.3 medium

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

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