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.

Remediation

References

CVE-2017-12165

Related Vulnerabilities

OpenSSL Cryptographic Issues Vulnerability (CVE-2009-3555)

concrete5 Server-Side Request Forgery (SSRF) Vulnerability (CVE-2018-13790)

Jetty CVE-2023-26049 Vulnerability (CVE-2023-26049)

WordPress Plugin Loginizer Multiple Vulnerabilities (1.3.5)

Liferay Portal Uncontrolled Resource Consumption Vulnerability (CVE-2025-62260)

Severity

High

Classification

CVE-2017-12165 CWE-444 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Tags

Missing Update Known Vulnerabilities