{"cve":"CVE-2001-0666","nvd":{"published":"2001-10-30T05:00:00.000","modified":"2026-06-16T21:54:42.953","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-400"],"references":["http://www.securityfocus.com/bid/3368","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-049","https://exchange.xforce.ibmcloud.com/vulnerabilities/7168","http://www.securityfocus.com/bid/3368","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-049"],"products":["microsoft:exchange_server"],"source":"nvd","synced_at":"2026-10-19T19:33:02.361923049+00:00"},"epss":{"cve":"CVE-2001-0666","score":0.02051,"percentile":0.81246,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}