CVE-2023-3581

WebSockets accept connections from HTTPS origin

View on CVE.org

Published Jul 17, 2023 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed

Description

Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.

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	≤ 7.8.6
`0`	affected	≤ 7.9.4
`0`	affected	≤ 7.10.2
`7.8.7`	unaffected	—
`7.9.5`	unaffected	—
`7.10.3`	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 v7.8.7, v7.9.5, v7.10.3 or higher.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-44231	Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.

Metrics

No CVSS v4.0

Attack Vector Physical

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.262% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

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

History

Oct 30, 2024 2:15 PM Scoring metrics updated View changes

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

Subscriptions

Mattermost Mattermost Server

Weaknesses

CWE-346

Sources

CVE record Updated: Oct 30, 2024, 1:54 PM

Status: PUBLISHED
Assigner: Mattermost
Published: Jul 17, 2023, 3:20 PM
Updated: Oct 30, 2024, 1:54 PM
Reserved: Jul 10, 2023, 12:32 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 7:01 AM

Updated: Aug 2, 2024, 7:01 AM

NVD Updated: Jun 17, 2026, 6:14 AM

Status: Modified
Published: Jul 17, 2023, 4:15 PM
Modified: Jun 17, 2026, 6:14 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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