The Cisco router must be configured to encrypt SNMP messages using a FIPS 140-2 approved algorithm.
An XCCDF Rule
Description
Without the strong encryption that is provided by the SNMP Version 3 User-based Security Model (USM), an unauthorized user can gain access to network management information that can be used to create a network outage.
- ID
- SV-216539r961506_rule
- Version
- CISC-ND-001140
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Configure the Cisco router to encrypt SNMP messages using a FIPS 140-2 approved algorithm as shown in the example below.
RP/0/0/CPU0:R3(config)#snmp-server group V3GROUP v3 auth read V3READ write V3WRITE
RP/0/0/CPU0:R3(config)#snmp-server user V3USER V3GROUP v3 auth sha xxxxxx priv aes 256 xxxxxx
RP/0/0/CPU0:R3(config)#snmp-server view V3READ iso included
RP/0/0/CPU0:R3(config)#snmp-server view V3WRITE iso included
RP/0/0/CPU0:R3(config)#snmp-server host x.x.x.x version 3 auth V3USER