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CVE-2001-0666

2.1 · LOW

Outlook Web Access (OWA) in Microsoft Exchange 2000 allows an authenticated user to cause a denial of service (CPU consumption) via a malformed OWA request for a deeply nested folder within the use…

Published Oct 30, 2001microsoftCWE-400EPSS 2.05%

Overview

CVE-2001-0666 is a low-severity vulnerability affecting microsoft exchange_server. It was published on October 30, 2001 and has a CVSS 2.0 base score of 2.1 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Outlook Web Access (OWA) in Microsoft Exchange 2000 allows an authenticated user to cause a denial of service (CPU consumption) via a malformed OWA request for a deeply nested folder within the user's mailbox.

Remediation

Check the references section for vendor advisories and patches from microsoft. Update exchange_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.securityfocus.com/bid/3368Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-049Refexchange.xforce.ibmcloud.com/vulnerabilities/7168Refwww.securityfocus.com/bid/3368Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-049Refexchange.xforce.ibmcloud.com/vulnerabilities/7168

How CyberStrike helps

Frequently asked questions

What is CVE-2001-0666?

CVE-2001-0666 is a low-severity vulnerability affecting microsoft exchange_server. It was published on October 30, 2001 and has a CVSS 2.0 base score of 2.1 (LOW).

How severe is CVE-2001-0666?

This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2001-0666?

Check the references section for vendor advisories and patches from microsoft. Update exchange_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-2001-0666?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2001-0666 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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