CVE-2020-14457
Mattermost Server Sensitive Data Exposure in github.com/mattermost/mattermost
5.3
MEDIUM
CVSS 3.1
EPSS 0.24%
Description
An issue was discovered in Mattermost Server before 5.20.0. Non-members can receive broadcasted team details via the update_team WebSocket event, aka MMSA-2020-0012.
How to fix CVE-2020-14457
To remediate CVE-2020-14457, upgrade the affected package to a fixed version below.
- Bitnami/mattermost—upgrade to 5.20.0 or later
- —no fix listed
- —no fix listed
- —upgrade to 5.20.0 or later
- —upgrade to 5.20.0 or later
Is CVE-2020-14457 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- from 0, < 5.20.0
- from 0
- from 0
- from 0, < 5.20.0
- from 0, < 5.20.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |