CVE-2024-39807 - Vulnerability Details - OpenCVE

Description

Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to properly sanitize the recipients of a webhook event which allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels.

Published: 2024-07-03

Score: 3.1 Low

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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
`9.8.0`	affected	—
`9.5.0`	affected	≤ 9.5.5
`9.9.0`	unaffected	—
`9.8.1`	unaffected	—
`9.5.6`	unaffected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

Vendor Solution

Update Mattermost to versions 9.9.0, 9.8.1, 9.5.6 or higher.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2024-38239	Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to properly sanitize the recipients of a webhook event which allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

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 0.00345.

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Mattermost Mattermost

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2024-07-03T08:31:58.312Z

Updated: 2024-08-02T04:26:16.012Z

Reserved: 2024-07-01T10:22:11.574Z

Link: CVE-2024-39807

Vulnrichment

Updated: 2024-08-02T04:26:16.012Z

NVD

Status : Modified

Published: 2024-07-03T09:15:07.210

Modified: 2026-06-17T07:42:50.530

Link: CVE-2024-39807

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
NVD-CWE-noinfo

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