VULNERABILITY INTELLIGENCE
CVE-2019-20847
CVSS score5.3 MEDIUM
EPSS probability0.81%
CISA KEVNot currently listed
Published2020-06-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Description
An issue was discovered in Mattermost Server before 5.18.0. An attacker can send a user_typing WebSocket event to any channel.
Primary references
- cve@mitre.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory