CVE-2023-45131

Unauthenticated access to new private chat messages in Discourse

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

Discourse is an open source platform for community discussion. New chat messages can be read by making an unauthenticated POST request to MessageBus. This issue is patched in the 3.1.1 stable and 3.2.0.beta2 versions of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Discourse es una plataforma de código abierto para el debate comunitario. Los nuevos mensajes de chat se pueden leer realizando una solicitud POST no autenticada a MessageBus. Este problema se solucionó en las versiones 3.1.1 stable y 3.2.0.beta2 de Discourse. Se recomienda a los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad.

*Credits: N/A

CVSS Scores

NISTv3.1 7.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-10-04 CVE Reserved
2023-10-16 CVE Published
2024-09-15 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://github.com/discourse/discourse/security/advisories/GHSA-84gf-hhrc-9pw6	2023-10-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Discourse Search vendor "Discourse"		Discourse Search vendor "Discourse" for product "Discourse"				<= 3.1.1 Search vendor "Discourse" for product "Discourse" and version " <= 3.1.1"		stable		Affected
Discourse Search vendor "Discourse"		Discourse Search vendor "Discourse" for product "Discourse"				3.2.0 Search vendor "Discourse" for product "Discourse" and version "3.2.0"		beta1, beta		Affected