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The Cisco router must be running an IOS release that is currently supported by Cisco Systems.


Finding ID Version Rule ID IA Controls Severity
V-220140 CISC-ND-001470 SV-220140r531083_rule High
Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated with recent vulnerabilities. Running a supported release also enables operations to maintain a stable and reliable network provided by improved quality of service and security features.
Cisco IOS XE Router NDM Security Technical Implementation Guide 2022-09-15


Check Text ( C-21855r388870_chk )
Verify that the router is in compliance with this requirement by having the router administrator enter the following command:

show version

Verify that the release is still supported by Cisco. All releases supported by Cisco can be found on the following URL:


If the router is not running a supported release, this is a finding.
Fix Text (F-21847r388871_fix)
Upgrade the router to a supported release.