5 sqlplus

$ sqlplus SCOTT/tiger@10.10.10.82:1521/XE
SQL*Plus: Release 19.0.0.0.0 - Production on Mon Sep 27 10:30:12 2021
Version 19.6.0.0.0

Connected to:
Oracle Database 11g Express Edition Release 11.2.0.2.0 - 64bit Production

SQL> select * from user_role_privs;
USERNAME                       GRANTED_ROLE                   ADM DEF OS_
------------------------------ ------------------------------ --- --- ---
SCOTT                          CONNECT                        NO  YES NO
SCOTT                          RESOURCE                       NO  YES NO

# maybe SCOTT is sysdba ?
$ sqlplus SCOTT/tiger@10.10.10.82:1521/XE as sysdba

SQL> select * from user_role_privs;
USERNAME                       GRANTED_ROLE                   ADM DEF OS_
------------------------------ ------------------------------ --- --- ---
SYS                            ADM_PARALLEL_EXECUTE_TASK      YES YES NO
SYS                            APEX_ADMINISTRATOR_ROLE        YES YES NO
SYS                            AQ_ADMINISTRATOR_ROLE          YES YES NO
SYS                            AQ_USER_ROLE                   YES YES NO
SYS                            AUTHENTICATEDUSER              YES YES NO
SYS                            CONNECT                        YES YES NO
SYS                            CTXAPP                         YES YES NO
SYS                            DATAPUMP_EXP_FULL_DATABASE     YES YES NO
SYS                            DATAPUMP_IMP_FULL_DATABASE     YES YES NO
SYS                            DBA                            YES YES NO
SYS                            DBFS_ROLE                      YES YES NO

USERNAME                       GRANTED_ROLE                   ADM DEF OS_
------------------------------ ------------------------------ --- --- ---
SYS                            DELETE_CATALOG_ROLE            YES YES NO
SYS                            EXECUTE_CATALOG_ROLE           YES YES NO
SYS                            EXP_FULL_DATABASE              YES YES NO
SYS                            GATHER_SYSTEM_STATISTICS       YES YES NO
SYS                            HS_ADMIN_EXECUTE_ROLE          YES YES NO
SYS                            HS_ADMIN_ROLE                  YES YES NO
SYS                            HS_ADMIN_SELECT_ROLE           YES YES NO
SYS                            IMP_FULL_DATABASE              YES YES NO
SYS                            LOGSTDBY_ADMINISTRATOR         YES YES NO
SYS                            OEM_ADVISOR                    YES YES NO
SYS                            OEM_MONITOR                    YES YES NO

USERNAME                       GRANTED_ROLE                   ADM DEF OS_
------------------------------ ------------------------------ --- --- ---
SYS                            PLUSTRACE                      YES YES NO
SYS                            RECOVERY_CATALOG_OWNER         YES YES NO
SYS                            RESOURCE                       YES YES NO
SYS                            SCHEDULER_ADMIN                YES YES NO
SYS                            SELECT_CATALOG_ROLE            YES YES NO
SYS                            XDBADMIN                       YES YES NO
SYS                            XDB_SET_INVOKER                YES YES NO
SYS                            XDB_WEBSERVICES                YES YES NO
SYS                            XDB_WEBSERVICES_OVER_HTTP      YES YES NO
SYS                            XDB_WEBSERVICES_WITH_PUBLIC    YES YES NO

# we have all perms using SCOTT/tiger.