CVE-2023-40588 MEDIUM

CVE-2023-40588: Discourse DoS via 2FA and Security Key Names

Vendor Discourse
Product discourse
Weakness CWE-770 · Uncontrolled resource consumption
Published September 15, 2023
Last update September 24, 2024

CVSS base score

6.5/10
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:H

What the vulnerability does

01Description

Discourse is an open-source discussion platform. Prior to version 3.1.1 of the `stable` branch and version 3.2.0.beta1 of the `beta` and `tests-passed` branches, a malicious user could add a 2FA or security key with a carefully crafted name to their account and cause a denial of service for other users. The issue is patched in version 3.1.1 of the `stable` branch and version 3.2.0.beta1 of the `beta` and `tests-passed` branches. There are no known workarounds.

Key dates

02Disclosure timeline

September 15, 2023 CVE published
September 24, 2024 Record updated