CVE-2002-1169: IBM WebSphere Caching Proxy Server

Medium severity, CVSS 5.0. EPSS: 7.1% chance of exploitation in the next 30 days.

IBM Web Traffic Express Caching Proxy Server 3.6 and 4.x before 4.0.1.26 allows remote attackers to cause a denial of service (crash) via an HTTP request to helpout.exe with a missing HTTP version number, which causes ibmproxy.exe to crash.

Affected products

• IBM WebSphere Caching Proxy Server: version 3.6 only; version 4.0 only

Published 2002-11-04. Last modified 2026-06-16.