CVE-2024-47003
Mattermost fails to strip `embeds` from `metadata` when broadcasting `posted` events in github.com/mattermost/mattermost-server
5.4
MEDIUM
CVSS 3.1
EPSS 0.48%
Description
Mattermost versions 9.11.x <= 9.11.0 and 9.5.x <= 9.5.8 fail to validate that the message of the permalink post is a string, which allows an attacker to send a non-string value as the message of a permalink post and crash the frontend.
How to fix CVE-2024-47003
To remediate CVE-2024-47003, upgrade the affected package to a fixed version below.
- —upgrade to 9.5.9 or later
- —no fix listed
- —no fix listed
- —no fix listed
- —upgrade to 8.0.0-20240806094731-69a8b3df0f9f or later
- —upgrade to 8.0.0-20240806094731-69a8b3df0f9f or later
Is CVE-2024-47003 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- >= 9.5.0, < 9.5.9 | >= 9.11.0-rc1, <= 9.11.0-rc1, >= 9.11.0-rc2, <= 9.11.0-rc2, >= 9.11.0-rc3, <= 9.11.0-rc3, >= 9.11.0, <= 9.11.0
- from 0
- from 0
- from 0
- from 0, < 8.0.0-20240806094731-69a8b3df0f9f
- from 0, < 8.0.0-20240806094731-69a8b3df0f9f
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:L/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L |