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The Cisco switch must not be configured to have any feature enabled that calls home to the vendor.


Overview

Finding ID Version Rule ID IA Controls Severity
V-221078 CISC-RT-000080 SV-221078r856655_rule Medium
Description
Call home services will routinely send data such as configuration and diagnostic information to the vendor for routine or emergency analysis and troubleshooting. There is a risk that transmission of sensitive data sent to unauthorized persons could result in data loss or downtime due to an attack.
STIG Date
Cisco NX OS Switch RTR Security Technical Implementation Guide 2023-02-15

Details

Check Text ( C-22793r409723_chk )
Review the switch configuration to determine if the call home service is enabled as shown in the example below:

callhome
contract-id CompanyXYZ
customer-id CompanyXYZ
email-contact netadmin@CompanyXYZ.com
phone-contact +1-800-555-4567
enable

If the call home feature is configured to call home to the vendor, this is a finding.
Fix Text (F-22782r409724_fix)
Disable the call home feature as shown below:

SW1(config)# callhome
SW1(config-callhome)# no enable
SW1(config-callhome)# end