CVE-2024-9155 - Vulnerability Details - OpenCVE

Mattermost versions 9.10.x <= 9.10.1, 9.9.x <= 9.9.2, 9.5.x <= 9.5.8 fail to limit access to channels files that have not been linked to a post which allows an attacker to view them in channels that they are a member of.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00098.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Mattermost	Mattermost

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Mattermost	Mattermost

References

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

History

Sun, 13 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00077}`	epss `{'score': 0.00083}`

Thu, 26 Sep 2024 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 26 Sep 2024 15:15:00 +0000

Type	Values Removed	Values Added
Description		Mattermost versions 9.10.x <= 9.10.1, 9.9.x <= 9.9.2, 9.5.x <= 9.5.8 fail to limit access to channels files that have not been linked to a post which allows an attacker to view them in channels that they are a member of.
Title		Insufficient Authorization On Unlinked Channel Files
Weaknesses		CWE-863
References		https://mattermost.com/security-updates
Metrics		cvssV3_1 `{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}`

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2024-09-26T14:57:43.987Z

Updated: 2024-09-26T15:17:25.819Z

Reserved: 2024-09-24T15:39:50.114Z

Link: CVE-2024-9155

Vulnrichment

Updated: 2024-09-26T15:17:21.835Z

NVD

Status : Awaiting Analysis

Published: 2024-09-26T15:15:18.060

Modified: 2024-09-30T12:46:20.237

Link: CVE-2024-9155

Redhat

No data.

OpenCVE Enrichment

Updated: 2025-07-12T16:01:15Z

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