CVE-2017-18911
Mattermost Server has X.509 Improper Certificate Validation in github.com/mattermost/mattermost-server
9.1
CRITICAL
CVSS 3.1
EPSS 0.14%
Description
Mattermost Server has X.509 Improper Certificate Validation in github.com/mattermost/mattermost-server
How to fix CVE-2017-18911
To remediate CVE-2017-18911, upgrade the affected package to a fixed version below.
- Go/github.com/mattermost/mattermost-server—upgrade to 3.6.7-rc1 or later
- —upgrade to 3.6.7-rc1+incompatible or later
Is CVE-2017-18911 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.6.7-rc1
- from 0, < 3.6.7-rc1+incompatible, >= 3.7.0+incompatible, < 3.7.5+incompatible, >= 3.8.0+incompatible, < 3.8.2+incompatible
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |