CVE-2000-0408
IIS 4.05 and 5.0 allow remote attackers to cause a denial of service via a long, complex URL that...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2000-0408- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2000-0408- Updated
- 2026-11-02
EUVDEUVD-2000-0407 No score
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.
- Record
EUVD-2000-0407- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wx3j-8h4r-qj57 No score
IIS 4.05 and 5.0 allow remote attackers to cause a denial of service via a long, complex URL that...
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.
- Record
GHSA-wx3j-8h4r-qj57- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft IIS 4.0/5.0 - Malformed File Extension Denial of Service | 2000-05-11 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2000-0408 is a medium vulnerability (CVSS 5.0) in Microsoft Internet Information Server, published May 11, 2000. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 58.0%, the 99th percentile. No source names a fixed version.