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CVE-2001-1243

5.0 · MEDIUM

Scripting.FileSystemObject in asp.dll for Microsoft IIS 4.0 and 5.0 allows local or remote attackers to cause a denial of service (crash) via (1) creating an ASP program that uses Scripting.FileSys…

Published Jul 4, 2001microsoftEPSS 70.50%

Overview

CVE-2001-1243 is a medium-severity vulnerability affecting microsoft internet_information_server. It was published on July 4, 2001 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Scripting.FileSystemObject in asp.dll for Microsoft IIS 4.0 and 5.0 allows local or remote attackers to cause a denial of service (crash) via (1) creating an ASP program that uses Scripting.FileSystemObject to open a file with an MS-DOS device name, or (2) remotely injecting the device name into ASP programs that internally use Scripting.FileSystemObject.

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

References

Refwww.iss.net/security_center/static/6800.phpRefwww.securityfocus.com/archive/1/194919Refwww.securityfocus.com/bid/2973Refwww.iss.net/security_center/static/6800.phpRefwww.securityfocus.com/archive/1/194919Refwww.securityfocus.com/bid/2973

How CyberStrike helps

Frequently asked questions

What is CVE-2001-1243?

CVE-2001-1243 is a medium-severity vulnerability affecting microsoft internet_information_server. It was published on July 4, 2001 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2001-1243?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2001-1243?

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-2001-1243?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2001-1243 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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