CVE-2001-0901: Hypermail Development Hypermail

High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days.

Hypermail allows remote attackers to execute arbitrary commands on a server supporting SSI via an attachment with a .shtml extension, which is archived on the server and can then be executed by requesting the URL for the attachment.

Affected products

Published 2001-11-19. Last modified 2026-06-16.