Missing Authorization Affecting github.com/mattermost/mattermost-server/v6 package, versions >=6.0.0 <7.1.6


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.05% (22nd percentile)

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  • Snyk ID SNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERV6-5425084
  • published 16 Apr 2023
  • disclosed 31 Mar 2023
  • credit Unknown

How to fix?

Upgrade github.com/mattermost/mattermost-server/v6 to version 7.1.6 or higher.

Overview

github.com/mattermost/mattermost-server/v6 is an open source, private cloud, Slack-alternative.

Affected versions of this package are vulnerable to Missing Authorization. When processing an email invite to a private channel on a team, there is a validation failure in the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
5.4 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None
Expand this section

NVD

5.4 medium