CVE-2023-5333 MEDIUM

CVE-2023-5333: Denial of Service via multiple identical User IDs in /api/v4/users/ids

Vendor Mattermost
Product Mattermost
Weakness CWE-400
Published October 9, 2023
Last update September 5, 2024

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Mattermost fails to deduplicate input IDs allowing a simple user to cause the application to consume excessive resources and possibly crash by sending a specially crafted request to /api/v4/users/ids with multiple identical IDs.

Key dates

02Disclosure timeline

October 9, 2023 CVE published
September 5, 2024 Record updated