CVE-2023-6547
5.4
MEDIUM
CVSS 3.1
EPSS 0.32%
Description
Mattermost fails to validate team membership when a user attempts to access a playbook, allowing a user with permissions to a playbook but no permissions to the team the playbook is on to access and modify the playbook. This can happen if the user was once a member of the team, got permissions to the playbook and was then removed from the team.
How to fix CVE-2023-6547
To remediate CVE-2023-6547, upgrade the affected package to a fixed version below.
- —upgrade to 8.1.6 or later
Is CVE-2023-6547 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 8.1.6, >= 9.2.0, < 9.2.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |