CVE-1999-1354: Softarc Firstclass Internet Server

Medium severity, CVSS 4.6. EPSS: 0.3% chance of exploitation in the next 30 days.

E-mail client in Softarc FirstClass Internet Server 5.506 and earlier stores usernames and passwords in cleartext in the files (1) home.fc for version 5.506, (2) network.fc for version 3.5, or (3) FCCLIENT.LOG when logging is enabled.

Affected products

• Softarc Firstclass Internet Server: up to and including 5.506

Published 1999-08-30. Last modified 2026-06-16.