What’s Vulnerable › Vulnerabilities

CVE-2001-0666

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2001-10-30 · updated 2026-06-16
• Weakness: CWE-400

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.

Affected products

• Microsoft Exchange Server: 2000

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
• https://exchange.xforce.ibmcloud.com/vulnerabilities/7168

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