CVE-2023-3581
8.1
HIGH
CVSS 3.1
EPSS 0.19%
Description
Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.
How to fix CVE-2023-3581
To remediate CVE-2023-3581, upgrade the affected package to a fixed version below.
- Bitnami/mattermost—upgrade to 7.8.7 or later
Is CVE-2023-3581 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 7.8.0, < 7.8.7, >= 7.9.0, < 7.9.5, >= 7.10.0, < 7.10.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |