Unscored severity · published Sep 4, 2009
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 cause a denial of service…
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CVSS
82.3%
EPSS
No
On KEV
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."
Exploitation
Is it being used?
Exploit prediction (EPSS)82.3% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
II
Internet Information Services · Microsoft
5.0 through 7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2009-2521
CVE.org
https://www.cve.org/CVERecord?id=CVE-2009-2521
Broken Link
http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html
support.microsoft.com
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191
Third Party Advisory
http://www.us-cert.gov/cas/techalerts/TA09-286A.html
Patch
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053
Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508
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