CVE-2017-12165

LOW

Undertow <1.4.17, <1.3.31, <2.0.0 - HTTP Request Smuggling

Title source: llm

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.

Exploits (2)

nomisec STUB
by dawetmaster · poc
https://github.com/dawetmaster/CVE-2017-12165-undertow-vulnerable
nomisec STUB
by andikahilmy · poc
https://github.com/andikahilmy/CVE-2017-12165-undertow-vulnerable

Scores

CVSS v3 2.6
EPSS 0.0110
EPSS Percentile 78.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N

Details

CWE
CWE-444
Status published
Products (5)
io.undertow/undertow-core 0 - 1.3.31Maven
redhat/jboss_enterprise_application_platform 7.0.0
redhat/jboss_enterprise_application_platform 7.1.0
redhat/undertow 2.0.0 alpha_1
redhat/undertow 1.0.0 - 1.3.31
Published Jul 27, 2018
Tracked Since Feb 18, 2026