What is CVE-2023-3581?

CVE-2023-3581 is a vulnerability in Mattermost that allows a MITM attacker on Mattermost to access the websocket APIs.

What is the severity of CVE-2023-3581?

CVE-2023-3581 has a severity rating of 8.1 (high).

Which versions of Mattermost Server are affected by CVE-2023-3581?

Versions 7.8.0 to 7.8.7, 7.9.0 to 7.9.5, and 7.10.0 to 7.10.3 of Mattermost Server are affected by CVE-2023-3581.

How can I fix the CVE-2023-3581 vulnerability in Mattermost Server?

To fix the CVE-2023-3581 vulnerability in Mattermost Server, you should update to a version above 7.10.3, 7.9.5, or 7.8.7 depending on your current version.

Vulnerability/
CVE-2023-3581

high

8.1

CWE

346

17/7/2023

30/10/2024

CVE-2023-3581: WebSockets accept connections from HTTPS origin

First published: Mon Jul 17 2023(Updated: )

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

Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com

Affected Software	Affected Version	How to fix
Mattermost Mattermost Server	>=7.8.0<7.8.7
Mattermost Mattermost Server	>=7.9.0<7.9.5
Mattermost Mattermost Server	>=7.10.0<7.10.3

Remedy

Update Mattermost Server to versions v7.8.7, v7.9.5, v7.10.3 or higher.

Never miss a vulnerability like this again

Reference Links

https://mattermost.com/security-updates

Frequently Asked Questions

What is CVE-2023-3581?
CVE-2023-3581 is a vulnerability in Mattermost that allows a MITM attacker on Mattermost to access the websocket APIs.
How does Mattermost fail to validate the origin of a websocket connection?
Mattermost fails to properly validate the origin of a websocket connection, allowing a MITM attacker to access the websocket APIs.
What is the severity of CVE-2023-3581?
CVE-2023-3581 has a severity rating of 8.1 (high).
Which versions of Mattermost Server are affected by CVE-2023-3581?
Versions 7.8.0 to 7.8.7, 7.9.0 to 7.9.5, and 7.10.0 to 7.10.3 of Mattermost Server are affected by CVE-2023-3581.
How can I fix the CVE-2023-3581 vulnerability in Mattermost Server?
To fix the CVE-2023-3581 vulnerability in Mattermost Server, you should update to a version above 7.10.3, 7.9.5, or 7.8.7 depending on your current version.

collector/nvd-latest
collector/nvd-index
agent/author
agent/type
agent/softwarecombine
collector/nvd-api
agent/software-canonical-lookup-request
agent/references
agent/weakness
agent/description
collector/mitre-cve
source/MITRE
agent/severity
agent/remedy
agent/title
agent/last-modified-date
agent/first-publish-date
agent/event
agent/tags
vendor/mattermost
canonical/mattermost mattermost server
version/mattermost mattermost server/7.8.0
version/mattermost mattermost server/7.9.0
version/mattermost mattermost server/7.10.0

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.