CVE-2009-2521

MediumCVSS 5.0/10Last modified Jun 16, 2026

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."

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:N/I:N/A:P

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 4, 2009
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2009-2521: Medium severity, CVSS 5.0 | Vulnix