CVE-2005-4360

highpriority · attend · 71EPSS 0.867 · 100 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · functional

Likely / severe?

86.7% (100th) EPSS

CVSS 7.8 · high

Is it mine?

2 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

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).

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.8highAV:N/AC:L/Au:N/C:N/I:C/A:Nprimary · NVD / NIST USexploitability 10 · impact 6.9

v2.07.8highAV:N/AC:L/Au:N/C:N/I:C/A:N/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-252USprimary

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-1376Microsoft IIS - HTTP Request Denial of Service (1)functional · exploit_db
EDB-1377Microsoft IIS - HTTP Request Denial of Service (2)functional · exploit_db

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft internet information services= 5.1nvdUScpe:2.3:a:microsoft:internet_information_services:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2005-12-20modified 2026-06-16

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Related entries.

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+326 more

references (24)

External citations — patches, advisories, analysis.

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