CVE-2017-12165
Undertow Request Smuggling vulnerability
7.5
HIGH
CVSS 3.1
EPSS 1.1%
Description
It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling.
How to fix CVE-2017-12165
To remediate CVE-2017-12165, upgrade the affected package to a fixed version below.
- Debian/undertow—upgrade to 2.0.23-1 or later
- —upgrade to 1.3.31 or later
Is CVE-2017-12165 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.0.23-1
- from 0, < 1.3.31
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |