CVE-2002-0848: Cisco VPN 5000 Concentrator Series Software

Medium severity, CVSS 5.0. EPSS: 2.1% chance of exploitation in the next 30 days.

Cisco VPN 5000 series concentrator hardware 6.0.21.0002 and earlier, and 5.2.23.0003 and earlier, when using RADIUS with a challenge type of Password Authentication Protocol (PAP) or Challenge, sends the user password in cleartext in a validation retry request, which could allow remote attackers to steal passwords via sniffing.

Affected products

• Cisco VPN 5000 Concentrator Series Software: from 5.2.14, up to and including 5.2.23.0003; from 6.0.15, up to and including 6.0.21.0002

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