CVE-2001-0101: Fetchmail

High severity, CVSS 10.0. EPSS: 1.8% chance of exploitation in the next 30 days.

Vulnerability in fetchmail 5.5.0-2 and earlier in the AUTHENTICATE GSSAPI command.

Affected products

• Fetchmail Fetchmail: up to and including 5.5.0; version 4.5.1 only; version 4.5.2 only; version 4.5.3 only; version 4.5.4 only; version 4.5.5 only; …

Published 2001-02-12. Last modified 2026-06-16.