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CVE-2001-0500

10.0 · HIGH

Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS 6.0 beta and earlier allows remote attackers to execute arbitrary commands via a long argument to I…

Published Jul 21, 2001microsoftEPSS 96.73%

Overview

CVE-2001-0500 is a high-severity vulnerability affecting microsoft index_server. It was published on July 21, 2001 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS 6.0 beta and earlier allows remote attackers to execute arbitrary commands via a long argument to Internet Data Administration (.ida) and Internet Data Query (.idq) files such as default.ida, as commonly exploited by Code Red.

Remediation

Check the references section for vendor advisories and patches from microsoft. Update index_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_server0Affected

Frequently asked questions

What is CVE-2001-0500?

CVE-2001-0500 is a high-severity vulnerability affecting microsoft index_server. It was published on July 21, 2001 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2001-0500?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2001-0500?

Check the references section for vendor advisories and patches from microsoft. Update index_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-2001-0500?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2001-0500 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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