The Cisco ASA must be configured to obtain its public key certificates from an appropriate certificate policy through an approved service provider.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-239942SRG-APP-000516-NDM-000344CASA-ND-001370SV-239942r991816_rule2024-08-222
Description
For user certificates, each organization obtains certificates from an approved, shared service provider, as required by OMB policy. For federal agencies operating a legacy public key infrastructure cross-certified with the Federal Bridge Certification Authority at medium assurance or higher, this Certification Authority (CA) will suffice.
ℹ️ Check
If PKI certificates are not implemented on the ASA, this requirement is not applicable. Step 1: Review the ASA configuration to determine if a CA trust point has been configured as shown in the example below. Step 2: Verify the CA is a DOD or DOD-approved service provider by entering the following command. show crypto ca certificates The output will list the following information for each certificate: Associated Trustpoints: (will map to a configured trustpoint from Step 1) Common Name (CN) of the issuer Organization Unit (OU) of the issuer Organization (O) of the issuer Validity Date If the ASA is not configured to obtain its public key certificates from a DOD or DOD-approved service provider, this is a finding.
✔️ Fix
Ensure certificate requests are only sent to DOD or DOD-approved service providers.