CVE-2002-2031: Microsoft Internet Explorer

Medium severity, CVSS 5.0. EPSS: 20.5% chance of exploitation in the next 30 days.

Internet Explorer 5.0, 5.0.1 and 5.5 with JavaScript execution enabled allows remote attackers to determine the existence of arbitrary files via a script tag with a src parameter that references a non-JavaScript file, then using the onError event handler to monitor the results.

Affected products

• Microsoft Internet Explorer: version 5.0 only; version 5.0.1 only; version 5.5 only; version 6.0 only

Published 2002-12-31. Last modified 2026-06-16.