CVE-2024-4198

Severity CVSS v4.0:

Pending analysis

Type:

CWE-284 Improper Access Control

Publication date:

26/04/2024

Last modified:

12/05/2025

Description

Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes which allows an attacker authenticated as team admin to demote users to guest via crafted HTTP requests.<br /> <br />

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 2.70 LOW
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

Base Score 3.x

2.70

Severity 3.x

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:mattermost:mattermost_server::::::::	8.1.0 (including)	8.1.12 (excluding)
cpe:2.3:a:mattermost:mattermost_server::::::::	9.5.0 (including)	9.5.3 (excluding)
cpe:2.3:a:mattermost:mattermost_server:9.6.0:-::::::
cpe:2.3:a:mattermost:mattermost_server:9.6.0:rc1::::::
cpe:2.3:a:mattermost:mattermost_server:9.6.0:rc2::::::
cpe:2.3:a:mattermost:mattermost_server:9.6.0:rc3::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2024-4198

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools