CVE-2009-2521

N/A Unknown
Published: September 04, 2009 Modified: April 23, 2026
View on NVD

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."

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.us-cert.gov/cas/techalerts/TA09-286A.html
Source: secure@microsoft.com
Third Party Advisory US Government Resource
http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.us-cert.gov/cas/techalerts/TA09-286A.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
60.8%
98th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

microsoft