CVE-2017-18871
Mattermost Server vulnerable to Denial of Service through `@` character prefix inserted into JavaScript field names in github.com/mattermost/mattermost-server
7.5
HIGH
CVSS 3.1
EPSS 0.42%
Description
Mattermost Server vulnerable to Denial of Service through `@` character prefix inserted into JavaScript field names in github.com/mattermost/mattermost-server
How to fix CVE-2017-18871
To remediate CVE-2017-18871, upgrade the affected package to a fixed version below.
- —upgrade to 4.2.2 or later
- —upgrade to 4.2.2+incompatible or later
Is CVE-2017-18871 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.2.2
- from 0, < 4.2.2+incompatible, >= 4.3.0-rc1+incompatible, < 4.3.4+incompatible, >= 4.4.0-rc1+incompatible, < 4.4.5+incompatible, >= 4.5.0-rc1+incompatible, < 4.5.0+incompatible
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |