CVE-2023-47858
Mattermost viewing archived public channels permissions vulnerability in github.com/mattermost/mattermost-server
4.3
MEDIUM
CVSS 3.1
EPSS 0.19%
Description
Mattermost fails to properly verify the permissions needed for viewing archived public channels, allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.
How to fix CVE-2023-47858
To remediate CVE-2023-47858, upgrade the affected package to a fixed version below.
- —upgrade to 8.1.7 or later
- —no fix listed
- —no fix listed
- —upgrade to 7.8.10 or later
- —no fix listed
- —no fix listed
- —upgrade to 8.1.1 or later
Is CVE-2023-47858 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (7)
- from 0, < 8.1.7, >= 9.0.0, < 9.0.5, >= 9.1.0, < 9.1.4, >= 9.2.0, < 9.2.3
- from 0
- from 0
- from 0, < 7.8.10
- from 0
- from 0
- from 0, < 8.1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |