CVE-2000-0408

Medium CVSS 5

Published 2000-05-11 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-2000-0408, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

IIS 4.05 and 5.0 allow remote attackers to cause a denial of service via a long, complex URL that appears to contain a large number of file extensions, aka the "Malformed Extension Data in URL" vulnerability.

Sources

NVD record for CVE-2000-0408

CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P