CVE-1999-0278: Microsoft Internet Information Server

Medium severity, CVSS 5.0. EPSS: 64.8% chance of exploitation in the next 30 days.

In IIS, remote attackers can obtain source code for ASP files by appending "::$DATA" to the URL.

Affected products

• Microsoft Internet Information Server: version 3.0 only; version 4.0 only
• Microsoft Windows Nt: version 4.0 only

Published 1998-06-01. Last modified 2026-06-16.