Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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 (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."

Published

2009-09-04T10:30:01.907

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	microsoft	internet_information_services	≤ 7.0	Yes

References

http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html Broken Link ([email protected])
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191 ([email protected])
http://www.us-cert.gov/cas/techalerts/TA09-286A.html Third Party Advisory, US Government Resource ([email protected])
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053 Patch, Vendor Advisory ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508 Third Party Advisory ([email protected])
http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191 (af854a3a-2127-422b-91ae-364da2661108)
http://www.us-cert.gov/cas/techalerts/TA09-286A.html Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)