CVE-2001-0666

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 49.0%
KEV: Not listed

Published

October 30, 2001

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://www.securityfocus.com/bid/3368
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-049
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/7168
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/3368
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-049
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/7168

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(4)

What is CVE-2001-0666?

CVE-2001-0666 is a none vulnerability published on October 30, 2001. 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.

When was CVE-2001-0666 disclosed?

CVE-2001-0666 was first published in the National Vulnerability Database on October 30, 2001, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2001-0666 actively exploited?

CVE-2001-0666 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 49.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2001-0666?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-0666, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2001-0666

📅 Published

🔄 Last Modified

🔗 References (6)