The System Request menu in IBM AS/400 allows local users to list valid user accounts by viewing the object names that are type USRPRF.
| Software | From | Fixed in |
|---|---|---|
| ibm / os_400 | 4r5 | 4r5.x |
| ibm / os_400 | 4r4 | 4r4.x |
| ibm / os_400 | 4r3 | 4r3.x |
| ibm / os_400 | 5r1 | 5r1.x |
| ibm / os_400 | 4r2 | 4r2.x |