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

The Mainframe Product must implement security safeguards to protect its memory from unauthorized code execution.

DISA Rule

SV-205588r961665_rule

Vulnerability Number

V-205588

Group Title

SRG-APP-000450

Rule Version

SRG-APP-000450-MFP-000338

Severity

CAT II

CCI(s)

• CCI-002824 - Implement organization-defined controls to protect its memory from unauthorized code execution.

Weight

10

Fix Recommendation

Configure the Mainframe Product to identify critical core programs to the operating system for protection in accordance with applicable access control policies.

This can be accomplished by an external security manager (ESM). Configure the ESM to restrict access to these critical core programs to appropriate users in accordance with applicable access control policies.

Check Contents

Examine installation and configuration settings.

Determine if critical core programs to the operating system are identified.

If the Mainframe Product does not protect critical core programs, this is a finding.

If an external security manager (ESM) is in use verify that the ESM is configured and/or has rules to protect critical core programs. If it does not, this is a finding.

Vulnerability Number

V-205588

Documentable

False

Rule Version

SRG-APP-000450-MFP-000338

Severity Override Guidance

Examine installation and configuration settings.

Determine if critical core programs to the operating system are identified.

If the Mainframe Product does not protect critical core programs, this is a finding.

If an external security manager (ESM) is in use verify that the ESM is configured and/or has rules to protect critical core programs. If it does not, this is a finding.

Check Content Reference

M

Target Key

2906