CVE-2001-1434: Cisco IOS

Medium severity, CVSS 5.0. EPSS: 2.7% chance of exploitation in the next 30 days.

Cisco IOS 12.0(5)XU through 12.1(2) allows remote attackers to read system administration and topology information via an "snmp-server host" command, which creates a readable "community" community string if one has not been previously created.

Affected products

• Cisco IOS: version 12.0 only; version 12.0(1) only; version 12.0(1)w only; version 12.0(1)xa3 only; version 12.0(1)xb only; version 12.0(1)xe only; …

Published 2001-02-28. Last modified 2026-06-16.