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CVE-2001-1186

Microsoft IIS 5.0 allows remote attackers to cause a denial of service via an HTTP request with a...

5.0 MediumPublic exploit

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

34.7%Up 9.9 points since Feb 4, 2022
90%50%10%1%

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 MediumAV: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.

Public exploits
SourceLinkDate
Exploit-DBMicrosoft IIS 5.0 - False Content-Length Field Denial of Service2001-12-11

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-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.

References

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