CVE-2006-6683: Pedro Lineu Orso Chetcpasswd

High severity, CVSS 7.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Pedro Lineu Orso chetcpasswd 2.4.1 and earlier verifies and updates user accounts via custom code that processes /etc/shadow and does not follow the PAM configuration, which might allow remote attackers to bypass intended restrictions implemented through PAM.

Affected products

• Pedro Lineu Orso Chetcpasswd: up to and including 2.4.1; version 1.12 only; version 2.1 only; version 2.2.1 only; version 2.3.1 only; version 2.3.3 only

Published 2006-12-21. Last modified 2026-06-16.