CVE-2023-3581

Medium

Description

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

SeverityMedium
CVSS6.2
Exploit probability—
ProductMattermost Server
PublishedJul 17, 2023
First seenJul 17, 2023
Weakness typeCWE-346CWE-346

How to fix

Update
  • mattermost mattermost_server7.8.7, 7.9.5, 7.10.3 or later

Affected products

ProductAffected versionsFixed in
mattermost mattermost_server7.8.0 ≤ v < 7.8.7, 7.9.0 ≤ v < 7.9.5, 7.10.0 ≤ v < 7.10.37.8.7, 7.9.5, 7.10.3

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2023-3581 · Mattermost Server · Dark Radar