VULNERABILITY INTELLIGENCE

CVE-2023-3581

CVSS score6.2 MEDIUM

EPSS probability0.26%

CISA KEVNot currently listed

Published2023-07-17

Last modified2026-06-17

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

Description

Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.