CVE-2001-0757: Cisco 6400 Nrp 2

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

Cisco 6400 Access Concentrator Node Route Processor 2 (NRP2) 12.1DC card does not properly disable access when a password has not been set for vtys, which allows remote attackers to obtain access via telnet.

Affected products

• Cisco 6400 Nrp 2: version 12.1dc only

Published 2001-10-18. Last modified 2026-06-16.