CVE-2000-0053

High

Published: 04/01/2000(UTC)Updated: 16/06/2026(UTC)Translated: 17/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Very high risk

14.70%

96th percentile - higher than 96% of all known CVEs

The IMAP server in Microsoft Commercial Internet System (MCIS) allows remote attackers to cause a denial of service via a malformed IMAP request.

Attackers can exploit this vulnerability to disrupt the server's operation, potentially leading to service outages for users.

It is recommended to update the server to the latest version and monitor logs for suspicious IMAP requests.

Original NVD description (English source)

Microsoft Commercial Internet System (MCIS) IMAP server allows remote attackers to cause a denial of service via a malformed IMAP request.