CVE-2024-2450

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to correctly verify account ownership when switching from email to SAML authentication, allowing an authenticated attacker to take over other user accounts via a crafted switch request under specific conditions.

Las versiones de Mattermost 8.1.x anteriores a 8.1.10, 9.2.x anteriores a 9.2.6, 9.3.x anteriores a 9.3.2 y 9.4.x anteriores a 9.4.3 no verifican correctamente la propiedad de la cuenta al cambiar del correo electrónico a la autenticación SAML. permitir que un atacante autenticado se apodere de otras cuentas de usuario mediante una solicitud de cambio diseñada en condiciones específicas.

*Credits: Juho Nurminen

CVSS Scores

Mattermost, Inc.v3.1 8.8

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-03-14 CVE Reserved
2024-03-15 CVE Published
2024-03-16 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (1)

URL	Tag	Source
https://mattermost.com/security-updates

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mattermost Search vendor "Mattermost"		Mattermost Search vendor "Mattermost" for product "Mattermost"				9.5.0 Search vendor "Mattermost" for product "Mattermost" and version "9.5.0"		en		Affected
Mattermost Search vendor "Mattermost"		Mattermost Search vendor "Mattermost" for product "Mattermost"				>= 9.4.0 <= 9.4.2 Search vendor "Mattermost" for product "Mattermost" and version " >= 9.4.0 <= 9.4.2"		en		Affected
Mattermost Search vendor "Mattermost"		Mattermost Search vendor "Mattermost" for product "Mattermost"				>= 9.3.0 <= 9.3.1 Search vendor "Mattermost" for product "Mattermost" and version " >= 9.3.0 <= 9.3.1"		en		Affected
Mattermost Search vendor "Mattermost"		Mattermost Search vendor "Mattermost" for product "Mattermost"				>= 9.2.0 <= 9.2.5 Search vendor "Mattermost" for product "Mattermost" and version " >= 9.2.0 <= 9.2.5"		en		Affected
Mattermost Search vendor "Mattermost"		Mattermost Search vendor "Mattermost" for product "Mattermost"				>= 8.1.0 <= 8.1.9 Search vendor "Mattermost" for product "Mattermost" and version " >= 8.1.0 <= 8.1.9"		en		Affected