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).
CVE-2005-4360
- 5 internet-exposed hosts are running an affected version right now
- High exploitation likelihood — EPSS 87%
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
5 internet-exposed hosts are running an affected version of CVE-2005-4360 right now.
EchelonGraph is the only CVE feed that fuses live vulnerability intelligence with its own live internet-exposure radar — so you see not just that a CVE is exploited, but how much of the internet is exposed to it right now.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 99.7%
- KEV
- Not listed
Published
December 20, 2005
Last Modified
April 16, 2026
References (24)
- cve@mitrehttp://archive.cert.uni-stuttgart.de/bugtraq/2007/07/msg00254.html
- cve@mitrehttp://ingehenriksen.blogspot.com/2005/12/microsoft-iis-remote-dos-dll-url.html
- cve@mitrehttp://secunia.com/advisories/18106
- cve@mitrehttp://securityreason.com/securityalert/271
- cve@mitrehttp://securitytracker.com/alerts/2005/Dec/1015376.html
- cve@mitrehttp://www.osvdb.org/21805
- cve@mitrehttp://www.securityfocus.com/archive/1/419707/100/0/threaded
- cve@mitrehttp://www.securityfocus.com/bid/15921
- cve@mitrehttp://www.us-cert.gov/cas/techalerts/TA07-191A.html
- cve@mitrehttp://www.vupen.com/english/advisories/2005/2963
- cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-041
- cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1703
- af854a3a-2127-422b-91ae-364da2661108http://archive.cert.uni-stuttgart.de/bugtraq/2007/07/msg00254.html
- af854a3a-2127-422b-91ae-364da2661108http://ingehenriksen.blogspot.com/2005/12/microsoft-iis-remote-dos-dll-url.html
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/18106
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 3× in last 7d / 15× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:24 UTCEPSS rescore
- 2026-07-13 06:07 UTCEPSS rescore
- 2026-07-13 06:07 UTCEPSS rescore
- 2026-06-29 14:02 UTCEPSS rescore
- 2026-06-29 14:02 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
- 2026-06-24 14:01 UTCEPSS rescore
- 2026-06-23 21:29 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:13 UTCEPSS rescore
- 2026-06-14 23:13 UTCEPSS rescore
- 2026-06-13 22:56 UTCEPSS rescore
- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-10 22:14 UTCEPSS rescore
- 2026-06-07 15:21 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-05 22:43 UTCEPSS rescore
- 2026-06-05 22:43 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
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- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 11:04 UTCEG score recompute
- 2026-05-31 11:03 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(2 references)Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-1376✓ verifiedFirst seen Dec 19, 2005
Microsoft IIS - HTTP Request Denial of Service (1)
Open source ↗ - Exploit-DBEDB-1377✓ verifiedFirst seen Dec 19, 2005
Microsoft IIS - HTTP Request Denial of Service (2)
Open source ↗
Frequently asked(4)
What is CVE-2005-4360?
When was CVE-2005-4360 disclosed?
Is CVE-2005-4360 actively exploited?
How do I remediate CVE-2005-4360?
Dependency Blast Radius
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