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CVE-2009-3023

9.0 · HIGH

Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 6.0 allows remote authenticated users to execute arbitrary code via a crafted NLST (NAME LIST) comman…

Published Aug 31, 2009microsoftCWE-120EPSS 90.91%

Overview

CVE-2009-3023 is a high-severity vulnerability affecting microsoft internet_information_server. It was published on August 31, 2009 and has a CVSS 2.0 base score of 9.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 6.0 allows remote authenticated users to execute arbitrary code via a crafted NLST (NAME LIST) command that uses wildcards, leading to memory corruption, aka "IIS FTP Service RCE and DoS Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update internet_information_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
microsoftinternet_information_server5.0Affected

References

Refsupport.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191Refwww.exploit-db.com/exploits/9541Refwww.exploit-db.com/exploits/9559Refwww.kb.cert.org/vuls/id/276653Refwww.securityfocus.com/bid/36189Refwww.us-cert.gov/cas/techalerts/TA09-286A.htmlRefwww.vupen.com/english/advisories/2009/2481Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6080Refsupport.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191

How CyberStrike helps

Frequently asked questions

What is CVE-2009-3023?

CVE-2009-3023 is a high-severity vulnerability affecting microsoft internet_information_server. It was published on August 31, 2009 and has a CVSS 2.0 base score of 9.0 (HIGH).

How severe is CVE-2009-3023?

This vulnerability has a CVSS 2.0 base score of 9.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2009-3023?

Check the references section for vendor advisories and patches from microsoft. Update internet_information_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-3023?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-3023 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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