Every CVE Search/ Get API key

CVE-1999-0867

Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.

5.0 MediumPublic exploit

Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.

Exploit likelihood

21.5%Up 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.

Record
CVE-1999-0867
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.

Record
CVE-1999-0867
Updated
2026-11-02
EUVDEUVD-1999-0848 No score

Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.

Record
EUVD-1999-0848
Updated
2026-11-03
GitHub AdvisoriesGHSA-m9hv-pvv3-2735 No score

Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.

Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.

Record
GHSA-m9hv-pvv3-2735
Weakness
CWE-20
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-1999-0867 is a medium vulnerability (CVSS 5.0) in Microsoft Commercial Internet System, published August 11, 1999. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 21.5%, the 97th percentile. No source names a fixed version.

References

MoveEnter Open