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The network element must provide automated support for account management functions.


Overview

Finding ID Version Rule ID IA Controls Severity
V-96191 CISC-ND-000060 SV-105329r1_rule Medium
Description
If account management functions are not automatically enforced, an attacker could gain privileged access to a vital element of the network security architecture. Account management functions include: assignment of group or role membership; identifying account type; specifying user access authorizations (i.e., privileges); account removal, update, or termination; and administrative alerts.
STIG Date
Cisco IOS XE Router NDM Security Technical Implementation Guide 2019-12-20

Details

Check Text ( C-95023r1_chk )
The Cisco router is not compliant with this requirement. However, the risk associated with this requirement can be fully mitigated if the router is configured to utilize an authentication server to authenticate and authorize users for administrative access.

Review the router configuration to verify that the device is configured to use an authentication server as primary source for authentication as shown in the following example:

aaa new-model
!
aaa authentication login LOGIN_AUTHENTICATION group radius local



ip http authentication aaa login-authentication LOGIN_AUTHENTICATION
ip http secure-server



radius-server host x.x.x.x auth-port 1645 acct-port 1646 key xxxxxxx



line con 0
exec-timeout 10 0
login authentication LOGIN_AUTHENTICATION
line vty 0 4
exec-timeout 10 0
login authentication LOGIN_AUTHENTICATION

If the router is not configured to use an authentication server to authenticate and authorize users for administrative access, this is a finding.
Fix Text (F-101867r1_fix)
Step 1: Configure the Cisco router to use an authentication server as shown in the following example:

R4(config)#radius host 10.1.48.2 key xxxxxx

Step 2: Configure the authentication order to use the authentication server as primary source for authentication as shown in the following example:

R4(config)#aaa authentication login LOGIN_AUTHENTICATION group radius local

Step 3: Configure all network connections associated with a device management to use an authentication server for the purpose of login authentication.

R4(config)#line vty 0 4
R4(config-line)#login authentication LOGIN_AUTHENTICATION
R4(config-line)#exit
R4(config)#line con 0
R4(config-line)#login authentication LOGIN_AUTHENTICATION
R4(config-line)#exit
R4(config)#ip http authentication aaa login-authentication LOGIN_AUTHENTICATION