CVE-2023-2792 MEDIUM

CVE-2023-2792: Ephemeral messages return private channel contents in permalink previews

Vendor Mattermost
Product Mattermost
Weakness CWE-200 · Info exposure
Published June 16, 2023
Last update December 6, 2024

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command.

Key dates

02Disclosure timeline

June 16, 2023 CVE published
December 6, 2024 Record updated