STIGQter: STIG Summary: IBM z/OS ACF2 Security Technical Implementation Guide Version: 9 Release: 9 Benchmark Date: 01 Jul 2026:

IBM z/OS must employ a session manager configured for users to directly initiate a session lock for all connection types.

DISA Rule

SV-223583r1225806_rule

Vulnerability Number

V-223583

Group Title

SRG-OS-000030-GPOS-00011

Rule Version

ACF2-OS-002440

Severity

CAT II

CCI(s)

• CCI-000057 - The information system initiates a session lock after the organization-defined time period of inactivity.

Weight

10

Fix Recommendation

Configure the session manage to allow users to directly initiate a session lock for all connection types.

Check Contents

Ask the system administrator (SA) for the configuration parameters for the session manager in use.

If there is no session manager in use, this is a finding.

If the session manager in use does not allow users to directly initiate a session lock for all connection types, this is a finding.

Vulnerability Number

V-223583

Documentable

False

Rule Version

ACF2-OS-002440

Severity Override Guidance

Ask the system administrator (SA) for the configuration parameters for the session manager in use.

If there is no session manager in use, this is a finding.

If the session manager in use does not allow users to directly initiate a session lock for all connection types, this is a finding.

Check Content Reference

M

Target Key

4100