CVE-2008-4283: IBM WebSphere Application Server

High severity, CVSS 10.0. EPSS: 3.3% chance of exploitation in the next 30 days.

CRLF injection vulnerability in the WebContainer component in IBM WebSphere Application Server (WAS) 5.1.1.19 and earlier 5.1.x versions allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.

Affected products

• IBM WebSphere Application Server: up to and including 5.1.1.19; version 5.0 only; version 5.0.0 only; version 5.0.1 only; version 5.0.2 only; version 5.0.2.1 only; …

Published 2009-02-10. Last modified 2026-06-16.