CVE-2009-2521
Stack consumption vulnerability in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 7.0 allows remote authenticated users to...
- Published
- Sep 4, 2009
- Updated
- Aug 7, 2024
- Assigning CNA
- microsoft
- Evidence observed
- Sep 4, 2009
Primary CVSS
nvd · CVSS 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:PHigh · next 30 days
- Percentile
- 99.7%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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."
Sources
modules/auxiliary/dos/windows/ftp/iis_list_exhaustion.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_dos/windows/ftp/iis_list_exhaustion.check)
kingcope · windows · Sep 4, 2009
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