CVE-2023-5196
Mattermost Uncontrolled Resource Consumption vulnerability
6.5
MEDIUM
CVSS 3.1
EPSS 0.23%
Description
Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users.
How to fix CVE-2023-5196
To remediate CVE-2023-5196, upgrade the affected package to a fixed version below.
- —upgrade to 7.8.10 or later
- —upgrade to 8.1.1 or later
Is CVE-2023-5196 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 7.8.10
- >= 8.1.0, < 8.1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |