STIGQter: STIG Summary: Mainframe Product Security Requirements Guide Version: 3 Release: 5 Benchmark Date: 01 Jul 2026:

The Mainframe Product, when using PKI-based authentication, must validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor.

DISA Rule

SV-205505r961038_rule

Vulnerability Number

V-205505

Group Title

SRG-APP-000175

Rule Version

SRG-APP-000175-MFP-000242

Severity

CAT II

CCI(s)

• CCI-000185 - For public key-based authentication, validate certificates by constructing and verifying a certification path to an accepted trust anchor including checking certificate status information.

Weight

10

Fix Recommendation

Configure the Mainframe Product account management settings to validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor when using PKI-based authentication.

Check Contents

If the Mainframe Product uses an external security manager (ESM) for all account management, this is not applicable.

Examine user account management configurations.

If the Mainframe Product account management is not configured to validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor when using PKI-based authentication, this is a finding.

Vulnerability Number

V-205505

Documentable

False

Rule Version

SRG-APP-000175-MFP-000242

Severity Override Guidance

If the Mainframe Product uses an external security manager (ESM) for all account management, this is not applicable.

Examine user account management configurations.

If the Mainframe Product account management is not configured to validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor when using PKI-based authentication, this is a finding.

Check Content Reference

M

Target Key

2906