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CVE-2009-2521

N/A
Published: September 4, 2009 at 10:00 AM UTC
Updated: June 16, 2026 at 11:09 PM UTC
1 product affected across 1 vendorInternet Information Services

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Severity
N/A
Exploit prediction
EPSS 82%

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."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

Mailing Listx_refsource_FULLDISCBroken Link
Source: [email protected]
http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html
Vendor Advisoryx_refsource_MSKB
Source: [email protected]
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191
Third Party Advisoryx_refsource_CERTUS Government Resource
Source: [email protected]
http://www.us-cert.gov/cas/techalerts/TA09-286A.html
Vendor Advisoryx_refsource_MSPatch
Source: [email protected]
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053
VDB EntrySignaturex_refsource_OVALThird Party Advisory
Source: [email protected]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508

CVSS

5MEDIUM[email protected]
Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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