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IBM z/OS MCS consoles access authorization(s) for CONSOLE resource(s) must be properly protected.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-223689RACF-ES-000410SV-223689r1137691_ruleCCI-000213medium
Description
MCS consoles can be used to issue operator commands. Failure to properly control access to MCS consoles could result in unauthorized personnel issuing sensitive operator commands. This exposure may threaten the integrity and availability of the operating system environment, and compromise the confidentiality of customer data. Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or processes may gain unnecessary access to information or privileges. Privileged functions include, for example, establishing accounts, performing system integrity checks, or administering cryptographic key management activities. Non-privileged users are individuals that do not possess appropriate authorizations. Circumventing intrusion detection and prevention mechanisms or malicious code protection mechanisms are examples of privileged functions that require protection from non-privileged users. Satisfies: SRG-OS-000080-GPOS-00048, SRG-OS-000324-GPOS-00125
STIGDate
IBM z/OS RACF Security Technical Implementation Guide2026-06-03

Related Frameworks

2 mappings across 5 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (21) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

CFG-02Secure Baseline Configurations
1.00
CRY-01Use of Cryptographic Controls
1.00
DCH-01Data Protection
1.00
HRS-02Position Categorization
1.00
HRS-11Separation of Duties (SoD)
1.00
IAC-01Identity & Access Management (IAM)
1.00
IAC-01.2Authenticate, Authorize and Audit (AAA)
1.00
IAC-02Identification & Authentication for Organizational Users
1.00
IAC-03Identification & Authentication for Non-Organizational Users
1.00
IAC-04Identification & Authentication for Devices
1.00

+11 more (top 10 by confidence shown)

NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (97) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-10Concurrent Session Control
1.00
AC-16Security and Privacy Attributes
1.00
AC-17(1)Monitoring and Control
1.00
AC-17(10)Authenticate Remote Commands
1.00
AC-17(2)Protection of Confidentiality and Integrity Using Encryption
1.00
AC-18(1)Authentication and Encryption
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(10)Shared and Group Account Credential Change
1.00
AC-2(11)Usage Conditions
1.00
AC-2(2)Automated Temporary and Emergency Account Management
1.00

+87 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (3) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

3.1.1
1.00
3.1.2
1.00
3.1.7
1.00
CCI2 mappings
CCI-000213
1.00
CCI-002235
1.00
NIST CSF 2.00 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (3) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

PR.AA-05
1.00
PR.DS-10
1.00
PR.IR-01
1.00

Who does this work

17 NICE work roles and 9 EC-Council certifications.

This is an inference across published mappings, not a single claim by anyone. This check maps to a control, which maps to a Cybersecurity Framework outcome, which NIST assigns to the work roles below. EC-Council separately maps its certifications to those same roles.

A certification prepares someone for a role. It is not evidence that a holder is qualified, and neither NIST nor EC-Council has stated that any certification here addresses this check.

Work-role assignments published by NIST (NICE Framework Components 2.2.0 and the CSF 2.0 OLIR crosswalk). Certification mappings published by EC-Council.

Details

Check Text (C-223689r1137691_chk)

Verify the CONSOLxx member of SYS1.PARMLIB.console is defined to RACF with a corresponding profile in the CONSOLE resource class. If each console is defined to RACF with a corresponding profile in the CONSOLE resource class, this is not a finding. If the userid associated with each console has READ access to the corresponding resource defined in the CONSOLE resource class, this is not a finding. If access authorization for CONSOLE resources restricts READ access to operations and system programming personnel or authorized personnel, this is not a finding.

Fix Text (F-25350r853594_fix)

Define all MCS consoles to the CONSOLE resource class and configure READ access to be limited to operators and system programmers. Configure the MCS console resources defined to z/OS and the ESM to conform to those outlined below. Each console defined in the CONSOLxx parmlib member is defined to RACF with a corresponding profile in the CONSOLE resource class. See the IBM zOS OPERATIONS AND PLANNING guide for further information. Each CONSOLE profile is defined with UACC(NONE). Example: RDEF CONSOLE MMDMST UACC(NONE) OWNER(syspsmpl) RDEF CONSOLE MMD041 UACC(NONE) OWNER(syspsmpl) RDEF CONSOLE MMDSCN UACC(NONE) OWNER(syspsmpl) RDEF CONSOLE ** UACC(NONE) OWNER(syspsmpl) DATA(** represents all consoles not specifically defined) Do not permit any user or group access to the ** profile. If a new console is added to the CONSOLxx member it will be covered by this profile and a subsequent error will display in the log, which will allow identification of the undefined console. The userid associated with each console will have READ access to the corresponding resource defined in the CONSOLE resource class. A sample command file to accomplish this is shown here: PE MMDMST CL(CONSOLE) ID(mmdmst) PE MMDSCN CL(CONSOLE) ID(mmdscn) PE MMD041 CL(CONSOLE) ID(mmd041) Access authorization for CONSOLE resources restricts READ access to operations and system programming personnel or authorized personnel. A sample command file showing a permission of READ access for sysprogs and operators is shown here: PE MMDMST CL(CONSOLE) ID(syspsmpl opersmpl) PE MMDSCN CL(CONSOLE) ID(syspsmpl opersmpl) PE MMD041 CL(CONSOLE) ID(syspsmpl opersmpl)