CVE-2001-1186
Microsoft IIS 5.0 allows remote attackers to cause a denial of service via an HTTP request with a...
Microsoft IIS 5.0 allows remote attackers to cause a denial of service via an HTTP request with a content-length value that is larger than the size of the request, which prevents IIS from timing out the connection.
Exploit likelihood
What each source reports
NVD Score used
5.0
Microsoft IIS 5.0 allows remote attackers to cause a denial of service via an HTTP request with a content-length value that is larger than the size of the request, which prevents IIS from timing out the connection.
- Record
CVE-2001-1186- 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
Microsoft IIS 5.0 allows remote attackers to cause a denial of service via an HTTP request with a content-length value that is larger than the size of the request, which prevents IIS from timing out the connection.
- Record
CVE-2001-1186- Updated
- 2026-11-02
EUVDEUVD-2001-1167 No score
Microsoft IIS 5.0 allows remote attackers to cause a denial of service via an HTTP request with a content-length value that is larger than the size of the request, which prevents IIS from timing out the connection.
- Record
EUVD-2001-1167- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9wgj-g8wc-6p76 No score
Microsoft IIS 5.0 allows remote attackers to cause a denial of service via an HTTP request with a...
Microsoft IIS 5.0 allows remote attackers to cause a denial of service via an HTTP request with a content-length value that is larger than the size of the request, which prevents IIS from timing out the connection.
- Record
GHSA-9wgj-g8wc-6p76- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft IIS 5.0 - False Content-Length Field Denial of Service | 2001-12-11 |
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-2001-1186 is a medium vulnerability (CVSS 5.0) in Microsoft Internet Information Services, published December 11, 2001. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 34.7%, the 98th percentile. No source names a fixed version.