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Mattermost Server 9.11.x < 9.11.6 (MMSA-2024-00378)

low Nessus Plugin ID 214348

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Synopsis

The remote host is missing a security update.

Description

The version of Mattermost Server installed on the remote host is prior to 9.11.6. It is, therefore, affected by a improper access control vulnerability as referenced in the MMSA-2024-00378 advisory. Mattermost versions 9.11.x prior to 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the allow_open_invite field via making their team public.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Mattermost Server version 9.11.6 or later.

See Also

https://mattermost.com/security-updates/

Plugin Details

Severity: Low

ID: 214348

File Name: mattermost_server_MMSA-2024-00378.nasl

Version: 1.3

Type: remote

Family: CGI abuses

Published: 1/17/2025

Updated: 2/28/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.5

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:P/A:N

CVSS Score Source: CVE-2025-22449

CVSS v3

Risk Factor: Low

Base Score: 3.8

Temporal Score: 3.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:mattermost:mattermost_server

Required KB Items: installed_sw/Mattermost Server

Exploit Ease: No known exploits are available

Patch Publication Date: 12/10/2024

Vulnerability Publication Date: 1/9/2025

Reference Information

CVE: CVE-2025-22449

CWE: 284

IAVA: 2025-A-0017-S