Access Restriction Bypass Affecting github.com/mattermost/mattermost-server/app package, versions <7.8.7>=7.9.0 <7.9.5>=7.10.0 <7.10.3


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERAPP-5798487
  • published21 Jul 2023
  • disclosed21 Jul 2023
  • creditJuho Nurminen

Introduced: 21 Jul 2023

CVE-2023-3581  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade github.com/mattermost/mattermost-server/app to version 7.8.7, 7.9.5, 7.10.3 or higher.

Overview

github.com/mattermost/mattermost-server/app is an open source Slack-alternative in Golang and React.

Affected versions of this package are vulnerable to Access Restriction Bypass due to failing to properly validate the origin of a websocket connection from an attacker in a MITM position.

CVSS Scores

version 3.1