The CA-ACF2 PSWD GSO record values for MAXTRY and PASSLMT must be properly set.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-223462ACF2-ES-000430SV-223462r958736_ruleCCI-002238medium
Description
By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. Limits are imposed by locking the account.
STIGDate
IBM z/OS ACF2 Security Technical Implementation Guide2025-06-24

Related Frameworks

3 paths across 3 frameworks
NIST 800-531 mapping
AC-7
1.00
  • DISA · 9 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1711 mapping
3.1.8
1.00
  • DISA · 9 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
  • NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-002238
1.00
  • DISA · 9 · disa_xccdf · related

Details

Check Text (C-223462r958736_chk)

From an ACF command screen enter: SET CONTROL(GSO) SHOW PSwdopts If "MAXTRY" is set to "3", this is not a finding. If "PASSLMT" is set to "3", this is not a finding.

Fix Text (F-25123r500519_fix)

Configure the GSO option "MAXTRY" to equal "3". Configure the GSO option "PASSLMT" to equal "3".