Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2024-4183

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
26/04/2024
Last modified:
12/05/2025

Description

Mattermost versions 8.1.x before 8.1.12, 9.6.x before 9.6.1, 9.5.x before 9.5.3, 9.4.x before 9.4.5 fail to limit the number of active sessions, which allows an authenticated attacker to crash the server via repeated requests to the getSessions API after flooding the sessions table.<br /> <br />

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

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

Base Score 3.x
4.30
Severity 3.x
MEDIUM

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:*:*:*:*:*:*:*:* 9.4.0 (including) 9.4.5 (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 (including) 9.6.1 (excluding)

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


References to Advisories, Solutions, and Tools