The Cisco ASA must be running an operating system release that is currently supported by Cisco Systems.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
high	V-239944	SRG-APP-000516-NDM-000351	CASA-ND-001420	SV-239944r961863_rule	2024-08-22	2

Description
Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated with recent vulnerabilities.

ℹ️ Check
Verify the ASA is in compliance with this requirement by having the ASA administrator enter the following command. show version Verify the release is still supported by Cisco. All releases supported by Cisco can be found at the following URL: https://www.cisco.com/c/en/us/products/security/asa-firepower-services/eos-eol-notice-listing.html If the ASA is not running a supported release, this is a finding.

ℹ️ Check

Verify the ASA is in compliance with this requirement by having the ASA administrator enter the following command. show version Verify the release is still supported by Cisco. All releases supported by Cisco can be found at the following URL: https://www.cisco.com/c/en/us/products/security/asa-firepower-services/eos-eol-notice-listing.html If the ASA is not running a supported release, this is a finding.

✔️ Fix
Upgrade the ASA to a supported release.