CVE-2002-0757: Usermin

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

(1) Webmin 0.96 and (2) Usermin 0.90 with password timeouts enabled allow local and possibly remote attackers to bypass authentication and gain privileges via certain control characters in the authentication information, which can force Webmin or Usermin to accept arbitrary username/session ID combinations.

Affected products

• Usermin Usermin: version 0.7 only; version 0.8 only; version 0.9 only
• Webmin Webmin: version 0.91 only; version 0.92 only; version 0.92.1 only; version 0.93 only; version 0.94 only; version 0.95 only; …

Published 2002-08-12. Last modified 2026-06-16.