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CVE-2005-4360

The URL parser in Microsoft Internet Information Services (IIS) 5.1 on Windows XP Professional...

7.8 HighPublic exploit

The URL parser in Microsoft Internet Information Services (IIS) 5.1 on Windows XP Professional SP2 allows remote attackers to execute arbitrary code via multiple requests to ".dll" followed by arguments such as "~0" through "~9", which causes ntdll.dll to produce a return value that is not correctly handled by IIS, as demonstrated using "/_vti_bin/.dll/*/~0". NOTE: the consequence was originally believed to be only a denial of service (application crash and reboot).

Exploit likelihood

86.7%Up 28.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

The URL parser in Microsoft Internet Information Services (IIS) 5.1 on Windows XP Professional SP2 allows remote attackers to execute arbitrary code via multiple requests to ".dll" followed by arguments such as "~0" through "~9", which causes ntdll.dll to produce a return value that is not correctly handled by IIS, as demonstrated using "/_vti_bin/.dll/*/~0". NOTE: the consequence was originally believed to be only a denial of service (application crash and reboot).

Record
CVE-2005-4360
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:C/A:N
Weakness
CWE-252
Updated
2026-11-02
CVE List No score

The URL parser in Microsoft Internet Information Services (IIS) 5.1 on Windows XP Professional SP2 allows remote attackers to execute arbitrary code via multiple requests to ".dll" followed by arguments such as "~0" through "~9", which causes ntdll.dll to produce a return value that is not correctly handled by IIS, as demonstrated using "/_vti_bin/.dll/*/~0". NOTE: the consequence was originally believed to be only a denial of service (application crash and reboot).

Record
CVE-2005-4360
Updated
2026-11-02
EUVDEUVD-2005-4355 No score

The URL parser in Microsoft Internet Information Services (IIS) 5.1 on Windows XP Professional SP2 allows remote attackers to execute arbitrary code via multiple requests to ".dll" followed by arguments such as "~0" through "~9", which causes ntdll.dll to produce a return value that is not correctly handled by IIS, as demonstrated using "/_vti_bin/.dll/*/~0". NOTE: the consequence was originally believed to be only a denial of service (application crash and reboot).

Record
EUVD-2005-4355
Updated
2026-11-03
GitHub AdvisoriesGHSA-5jvw-5r9c-59q7 No score

The URL parser in Microsoft Internet Information Services (IIS) 5.1 on Windows XP Professional...

The URL parser in Microsoft Internet Information Services (IIS) 5.1 on Windows XP Professional SP2 allows remote attackers to execute arbitrary code via multiple requests to ".dll" followed by arguments such as "~0" through "~9", which causes ntdll.dll to produce a return value that is not correctly handled by IIS, as demonstrated using "/_vti_bin/.dll/*/~0". NOTE: the consequence was originally believed to be only a denial of service (application crash and reboot).

Record
GHSA-5jvw-5r9c-59q7
Weakness
CWE-252
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBMicrosoft IIS - HTTP Request Denial of Service (1)2005-12-19
Exploit-DBMicrosoft IIS - HTTP Request Denial of Service (2)2005-12-19

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-2005-4360 is a high vulnerability (CVSS 7.8) in Microsoft Internet Information Services, published December 20, 2005. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 86.7%, the 99th percentile. No source names a fixed version.

References

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