CVE-2009-2521 - Vulnerability Details - OpenCVE

Description

Stack consumption vulnerability in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 7.0 allows remote authenticated users to cause a denial of service (daemon crash) via a list (ls) -R command containing a wildcard that references a subdirectory, followed by a .. (dot dot), aka "IIS FTP Service DoS Vulnerability."

Published: 2009-09-04

Score: 5.0 Medium

EPSS: 60.8% High

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:microsoft:internet_information_services:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.60775.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191
http://www.us-cert.gov/cas/techalerts/TA09-286A.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508

History

No history.

Subscriptions

Microsoft Internet Information Services

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2009-09-04T10:00:00.000Z

Updated: 2024-08-07T05:52:14.793Z

Reserved: 2009-07-17T00:00:00.000Z

Link: CVE-2009-2521

Vulnrichment

No data.

NVD

Status : Modified

Published: 2009-09-04T10:30:01.907

Modified: 2026-04-23T00:35:47.467

Link: CVE-2009-2521

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-400

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2009-09-03T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Stack consumption vulnerability in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 7.0 allows remote authenticated users to cause a denial of service (daemon crash) via a list (ls) -R command containing a wildcard that references a subdirectory, followed by a .. (dot dot), aka \"IIS FTP Service DoS Vulnerability.\""}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-12T19:57:01.000Z", "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft"}, "references": [{"name": "oval:org.mitre.oval:def:6508", "tags": ["vdb-entry", "signature", "x_refsource_OVAL"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508"}, {"name": "975191", "tags": ["vendor-advisory", "x_refsource_MSKB"], "url": "http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191"}, {"name": "TA09-286A", "tags": ["third-party-advisory", "x_refsource_CERT"], "url": "http://www.us-cert.gov/cas/techalerts/TA09-286A.html"}, {"name": "MS09-053", "tags": ["vendor-advisory", "x_refsource_MS"], "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053"}, {"name": "20090903 Microsoft Internet Information Services 5.0/6.0 FTP SERVER DENIAL OF SERVICE (\"Stack Exhaustion\")", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secure@microsoft.com", "ID": "CVE-2009-2521", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Stack consumption vulnerability in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 7.0 allows remote authenticated users to cause a denial of service (daemon crash) via a list (ls) -R command containing a wildcard that references a subdirectory, followed by a .. (dot dot), aka \"IIS FTP Service DoS Vulnerability.\""}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "oval:org.mitre.oval:def:6508", "refsource": "OVAL", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508"}, {"name": "975191", "refsource": "MSKB", "url": "http://support.microsoft.com/default.aspx?scid=kb;[LN];Q975191"}, {"name": "TA09-286A", "refsource": "CERT", "url": "http://www.us-cert.gov/cas/techalerts/TA09-286A.html"}, {"name": "MS09-053", "refsource": "MS", "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053"}, {"name": "20090903 Microsoft Internet Information Services 5.0/6.0 FTP SERVER DENIAL OF SERVICE (\"Stack Exhaustion\")", "refsource": "FULLDISC", "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T05:52:14.793Z"}, "title": "CVE Program Container", "references": [{"name": "oval:org.mitre.oval:def:6508", "tags": ["vdb-entry", "signature", "x_refsource_OVAL", "x_transferred"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508"}, {"name": "975191", "tags": ["vendor-advisory", "x_refsource_MSKB", "x_transferred"], "url": "http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191"}, {"name": "TA09-286A", "tags": ["third-party-advisory", "x_refsource_CERT", "x_transferred"], "url": "http://www.us-cert.gov/cas/techalerts/TA09-286A.html"}, {"name": "MS09-053", "tags": ["vendor-advisory", "x_refsource_MS", "x_transferred"], "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053"}, {"name": "20090903 Microsoft Internet Information Services 5.0/6.0 FTP SERVER DENIAL OF SERVICE (\"Stack Exhaustion\")", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html"}]}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2009-2521", "datePublished": "2009-09-04T10:00:00.000Z", "dateReserved": "2009-07-17T00:00:00.000Z", "dateUpdated": "2024-08-07T05:52:14.793Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:internet_information_services:*:*:*:*:*:*:*:*", "matchCriteriaId": "4ED209E9-04E3-4FDD-947E-8103273FF41D", "versionEndIncluding": "7.0", "versionStartIncluding": "5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Stack consumption vulnerability in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 7.0 allows remote authenticated users to cause a denial of service (daemon crash) via a list (ls) -R command containing a wildcard that references a subdirectory, followed by a .. (dot dot), aka \"IIS FTP Service DoS Vulnerability.\""}, {"lang": "es", "value": "Una vulnerabilidad de consumo de pila en el Servicio FTP en Internet Information Services (IIS) de Microsoft versiones 5.0 hasta 7.0, permite a los usuarios autenticados remotos causar una denegaci\u00f3n de servicio (bloqueo del demonio) por medio de un comando list (ls) -R que contiene un comod\u00edn que hace referencia a un subdirectorio, seguido por un .. (punto punto), tambi\u00e9n se conoce como \"IIS FTP Service DoS Vulnerability\"."}], "id": "CVE-2009-2521", "lastModified": "2026-04-23T00:35:47.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-09-04T10:30:01.907", "references": [{"source": "secure@microsoft.com", "tags": ["Broken Link"], "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html"}, {"source": "secure@microsoft.com", "url": "http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191"}, {"source": "secure@microsoft.com", "tags": ["Third Party Advisory", "US Government Resource"], "url": "http://www.us-cert.gov/cas/techalerts/TA09-286A.html"}, {"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053"}, {"source": "secure@microsoft.com", "tags": ["Third Party Advisory"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "http://www.us-cert.gov/cas/techalerts/TA09-286A.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}