CVE-2023-3581 MEDIUM

CVE-2023-3581: WebSockets accept connections from HTTPS origin

Vendor Mattermost
Product Mattermost
Weakness CWE-346 · Origin validation
Published July 17, 2023
Last update October 30, 2024

CVSS base score

6.2/10
Attack vector Physical
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

July 17, 2023 CVE published
October 30, 2024 Record updated