CVE-2009-2521
Microsoft IIS FTP Service Stack Consumption Denial of Service
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."
INFO
Published Date :
Sept. 4, 2009, 10:30 a.m.
Last Modified :
Nov. 7, 2023, 2:04 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.9
Exploitability Score :
10.0
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2009-2521.
| URL | Resource |
|---|---|
| http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html | Broken Link |
| http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191 | |
| http://www.us-cert.gov/cas/techalerts/TA09-286A.html | Third Party Advisory US Government Resource |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053 | Patch Vendor Advisory |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2009-2521 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2009-2521 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Microsoft Corporation http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191 [No types assigned] Removed Reference Microsoft Corporation http://support.microsoft.com/default.aspx?scid=kb;[LN];Q975191 -
Modified Analysis by [email protected]
Nov. 23, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:H/Au:N/C:N/I:N/A:P) Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Changed Reference Type http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html Exploit http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.html Broken Link Changed Reference Type http://support.microsoft.com/default.aspx?scid=kb;[LN];Q975191 No Types Assigned http://support.microsoft.com/default.aspx?scid=kb;[LN];Q975191 Patch, Vendor Advisory Changed Reference Type http://www.us-cert.gov/cas/techalerts/TA09-286A.html US Government Resource http://www.us-cert.gov/cas/techalerts/TA09-286A.html Third Party Advisory, US Government Resource Changed Reference Type https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053 No Types Assigned https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053 Patch, Vendor Advisory Changed Reference Type https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508 No Types Assigned https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508 Third Party Advisory Removed CWE NIST CWE-399 Added CWE NIST CWE-400 Changed CPE Configuration OR *cpe:2.3:a:microsoft:internet_information_server:6.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:internet_information_server:7.0:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:internet_information_services:*:*:*:*:*:*:*:* versions from (including) 5.0 up to (including) 7.0 -
CPE Deprecation Remap by [email protected]
Nov. 23, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:microsoft:iis:5.0:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Jul. 03, 2019
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:microsoft:iis:7.0:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:internet_information_server:7.0:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Jul. 03, 2019
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:microsoft:iis:6.0:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:internet_information_server:6.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 12, 2018
Action Type Old Value New Value Removed Reference http://www.microsoft.com/technet/security/Bulletin/MS09-053.mspx [Patch, Vendor Advisory] Added Reference https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 13, 2018
Action Type Old Value New Value Removed Reference http://support.microsoft.com/default.aspx?scid=kb;%5BLN%5D;Q975191 [No Types Assigned] Added Reference http://support.microsoft.com/default.aspx?scid=kb;[LN];Q975191 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 19, 2017
Action Type Old Value New Value Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:6508 [No Types Assigned] Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508 [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 04, 2009
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2009-2521 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2009-2521
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
96.82 }} -0.08%
score
0.99733
percentile