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ACF2 PSWD GSO record value must be set to prohibit password reuse for a minimum of five generations or more.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-223508ACF2-ES-000910SV-223508r1001119_ruleCCI-004061medium
Description
Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If the information system or application allows the user to consecutively reuse their password when that password has exceeded its defined lifetime, the end result is a password that is not changed as per policy requirements.
STIGDate
IBM z/OS ACF2 Security Technical Implementation Guide2025-06-24

Related Frameworks

2 mappings across 4 frameworks
SCF0 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.

IAC-10Authenticator Management
0.50
IAC-10.1Password-Based Authentication
0.50
IAC-10.4Automated Support For Password Strength
0.50
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (61) 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-12Session Termination
1.00
AC-17(10)Authenticate Remote Commands
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
AC-2(3)Disable Accounts
1.00
AC-2(4)Automated Audit Actions
1.00
AC-3Access Enforcement
1.00

+51 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (4) 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.

3.5.10
1.00
3.5.7
1.00
3.5.8
1.00
3.5.9
1.00
CCI2 mappings
CCI-004061
1.00
CCI-004065
1.00

Details

Check Text (C-223508r1001119_chk)

From an ACF command screen enter: SET CONTROL(GSO) LIST PSWD If "PSWDXHIST" is not specified, this is a finding. If "PSWDXHIST#" is set to "5" or greater, this is not a finding.

Fix Text (F-25169r500658_fix)

Configure Password option "PSWXHST" is coded and "PSWXHST#" is "5" or greater.