CVE-2023-5331

File Information Leak via IDOR in file_id in Draft Posts

View on CVE.org

Published Oct 9, 2023 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

Description

Mattermost fails to properly check the creator of an attached file when adding the file to a draft post, potentially exposing unauthorized file information.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Mattermost

Mattermost

unaffected

Version	Status	Constraints
`0`	affected	≤ 7.8.10
`0`	affected	≤ 8.0.2
`0`	affected	≤ 8.1.1
`7.8.11`	unaffected	—
`8.0.3`	unaffected	—
`8.1.2`	unaffected	—

Configuration 1 [-]

OR	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::

No data.

No data available yet.

Remediation

Vendor Solution

Update Mattermost Server to versions 7.8.11, 8.0.3, 8.1.2 or higher.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-57648	Mattermost fails to properly check the creator of an attached file when adding the file to a draft post, potentially exposing unauthorized file information.

Metrics

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.

Exploit prediction score: < 1% (0.381% probability within 30 days)

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Mattermost Mattermost Server

Weaknesses

CWE-862

Sources

CVE record Updated: Sep 5, 2024, 7:47 PM

Status: PUBLISHED
Assigner: Mattermost
Published: Oct 9, 2023, 10:40 AM
Updated: Sep 5, 2024, 7:47 PM
Reserved: Oct 2, 2023, 11:06 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 7:52 AM

Updated: Aug 2, 2024, 7:52 AM

NVD Updated: Jun 17, 2026, 6:48 AM

Status: Modified
Published: Oct 9, 2023, 11:15 AM
Modified: Jun 17, 2026, 6:48 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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