CVE-1999-0867
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.
Exploit likelihood
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 Medium
AV: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.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Commercial Internet System 2.0/2.5 / IIS 4.0 / Site Server Commerce Edition 3.0 alpha/3.0 - Denial of Service | 1999-08-11 |
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-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
support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ238349
ciac.org/ciac/bulletins/j-058.shtml
docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-029
securityfocus.com/bid/579
nvd.nist.gov/vuln/detail/CVE-1999-0867
support.microsoft.com/default.aspx?scid=kb;[LN];Q238349
github.com/advisories/GHSA-m9hv-pvv3-2735