CVE-2024-43780
Mattermost allows guest user with read access to upload files to a channel in github.com/mattermost/mattermost-server
4.3
MEDIUM
CVSS 3.1
EPSS 0.21%
Description
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.0, 9.8.x <= 9.8.2 fail to enforce permissions which allows a guest user with read access to upload files to a channel.
How to fix CVE-2024-43780
To remediate CVE-2024-43780, upgrade the affected package to a fixed version below.
- —upgrade to 9.5.8 or later
- —upgrade to 9.5.8+incompatible or later
- —no fix listed
- —no fix listed
- —upgrade to 9.5.8 or later
- —no fix listed
Is CVE-2024-43780 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- >= 9.5.0, < 9.5.8, >= 9.8.0, < 9.8.3, >= 9.9.0, < 9.9.2 | >= 9.10.0, <= 9.10.0
- >= 9.5.0+incompatible, < 9.5.8+incompatible, >= 9.8.0+incompatible, < 9.8.3+incompatible, >= 9.9.0+incompatible, < 9.9.2+incompatible, >= 9.10.0+incompatible, < 9.10.1+incompatible
- from 0
- from 0
- >= 9.5.0, < 9.5.8
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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:N/I:L/A:N |