Following is the command for finding the version of weblogic and installed components:

java -cp weblogic.jar weblogic.version -verbose

Example:
————————————————————————————————————–

E:UTILSMiddleware_10.3.5wlserver_10.3serverlib>java -cp weblogic.jar weblogic.version -verbose

WebLogic Server 10.3.5.0  Fri Apr 1 20:20:06 PDT 2011 1398638  ImplVersion: 10.3.5.0
Oracle WebLogic Server Module Dependencies 10.3 Thu Mar 3 14:37:52 PST 2011  ImplVersion: 10.3.5.0
Oracle WebLogic Server on JRockit Virtual Edition Module Dependencies 10.3 Thu Feb 3 16:30:47 EST 2011  ImplVersion: 10.3.5.0
Oracle Virtual Machine Manager Client implementation ImplVersion: 1.1.0.0
WebLogic Descriptors for J2EE 1.5 Wed May 5 14:32:58 EDT 2010  ImplVersion: 1.5.0.0
WebLogic Descriptors for J2EE 1.5 Binding Bundle ImplVersion: 1.5.0.0
WebLogic Specific Descriptors 1.3 Tue Sep 14 18:48:42 PDT 2010  ImplVersion: 1.3.3.0
WebLogic Specific Descriptors 1.3 Binding Bundle ImplVersion: 1.3.3.0
WebLogic Datasource 1.9 Tue Oct 26 13:50:26 PDT 2010  ImplVersion: 1.9.0.0
WebLogic Datasource 1.9 Binding Bundle ImplVersion: 1.9.0.0
WebLogic Beangen Client Capable 1.7 Wed Feb 24 16:02:48 PST 2010  ImplVersion: 1.7.0.0
WebLogic Beangen 1.7 Binding Bundle ImplVersion: 1.7.0.0
WebLogic Management Core Interfaces Client Capable 2.8 Thu Mar 3 12:10:10 EST 2011  ImplVersion: 2.8.0.1
WebLogic Management Core Interfaces 2.8 Binding Bundle ImplVersion: 2.8.0.1
WebLogic EJBGen Client Capable 1.1 Thu Jun 3 13:17:07 EDT 2010  ImplVersion: 1.1.0.2
WebLogic STAX Client Capable 1.9 Tue Nov 20 10:54:01 IST 2012  ImplVersion: 1.9.0.0
WebLogic Utils Client Capable 1.9 Thu Mar 3 12:10:10 EST 2011  ImplVersion: 1.9.0.1
WebLogic SAAJ 1.6 Wed Jun 16 22:02:31 EDT 2010  ImplVersion: 1.6.0.0
WebLogic Apache Classes Client Capable 1.2 Thu Feb 18 22:06:19 PST 2010  ImplVersion: 1.2.0.1
WebLogic BeanInfo Caching and Discovery Client Capable 2.4 Sat Oct 25 20:46:29 PDT 2008  ImplVersion: 2.4.0.0
WebLogic Descriptor Client Capable 1.9 Tue Jul 20 16:03:09 EDT 2010  ImplVersion: 1.9.0.0
Oracle JFR 1.0 Thu Feb 18 19:06:33 PST 2010  ImplVersion: 1.0.0.0
WebLogic Diagnostics Core Interfaces Client Capable 2.5 Thu Jun 3 05:20:41 PDT 2010  ImplVersion: 2.5.0.0
WebLogic Diagnostics Logging Client Capable 1.2 Fri Dec 12 11:37:59 MST 2008  ImplVersion: 1.2.0.0
WebLogic Diagnostics Query Module Client Capable 1.2 Tue Oct 27 02:48:36 PDT 2009  ImplVersion: 1.2.0.0
WebLogic Diagnostics Instrumentor Tool 1.7 Tue May 18 03:51:46 PDT 2010  ImplVersion: 1.7.0.0
WebLogic Diagnostics Instrumentor Config Tool 1.7 Tue Jun 29 16:41:19 EDT 2010  ImplVersion: 1.7.0.0
WebLogic Diagnostics JRockit Flight Recorder Interfaces Client Capable 1.1 Fri Oct 29 16:32:05 EDT 2010  ImplVersion: 1.1.0.0
WebLogic i18n Runtime Support Client Capable 1.8 Fri Sep 10 08:12:34 EDT 2010  ImplVersion: 1.8.0.0
WebLogic i18n Build Support Client Capable 1.5 Fri Feb 19 15:03:15 EST 2010  ImplVersion: 1.5.0.0
WebLogic I18N tools Client Capable 1.3 Sun Nov 22 16:03:32 PST 2009  ImplVersion: 1.3.0.0
WebLogic Management JMX Interfaces 1.4 Thu Aug 12 11:16:22 PDT 2010  ImplVersion: 1.4.1.0
WebLogic Security Provider Generation Tool 1.5 Wed Oct 14 16:39:28 MDT 2009  ImplVersion: 1.5.0.0
WebLogic Security Provider Generation Tool Client Capable 1.5 Wed Oct 14 16:39:28 MDT 2009  ImplVersion: 1.5.0.0
WebLogic Messaging Kernel Client Capable 1.8 Mon Aug 23 21:42:11 EDT 2010  ImplVersion: 1.8.0.0
WebLogic Resource Pool Client Capable 1.7 Mon Sep 27 12:00:08 EDT 2010  ImplVersion: 1.7.0.0
WebLogic Socket Muxer API Client Capable 1.2 Thu Apr 1 21:16:27 EDT 2010  ImplVersion: 1.2.0.0
WebLogic RMI Client Capable 1.10 Tue Mar 22 16:56:32 PDT 2011  ImplVersion: 1.10.0.0
WebLogic Store Client Capable 1.7 Fri Dec 17 16:52:31 EST 2010  ImplVersion: 1.7.0.0
WebLogic STORE GXA Client Capable 1.6 Mon Aug 23 21:16:10 EDT 2010  ImplVersion: 1.6.0.0
WebLogic Store Admin Tool Client Capable 1.2 Thu Jan 21 10:24:18 PST 2010  ImplVersion: 1.2.0.0
WebLogic JDBC Store Client Capable 1.3 Mon May 17 10:46:33 PDT 2010  ImplVersion: 1.3.0.0
WebLogic JTA implementation Client Capable 2.7 Fri Sep 17 12:19:45 PDT 2010  ImplVersion: 2.7.0.0
WebLogic Utils 1.9 Thu Mar 3 12:10:10 EST 2011  ImplVersion: 1.9.0.1
WebLogic Utility Classloader implementations Client Capable 1.9 Wed Mar 2 14:10:04 PST 2011  ImplVersion: 1.9.0.0
WebLogic java compiler utils package Client Capable 1.2 Thu Feb 11 03:38:50 EST 2010  ImplVersion: 1.2.0.0
WebLogic Utils for working with Expressions Client Capable 1.4 Tue Sep 29 14:45:53 EDT 2009  ImplVersion: 1.4.0.0
WebLogic Utils for Dynamically Generated Class Wrappers Client Capable 1.4 Fri Feb 13 14:44:23 MST 2009  ImplVersion: 1.4.0.0
WebLogic Timers Client Capable 1.7 Thu Feb 18 13:08:44 EST 2010  ImplVersion: 1.7.0.0
WebLogic Work Manager Client Capable 1.10 Thu Feb 17 10:25:54 PST 2011  ImplVersion: 1.10.0.0
WebLogic Workarea Client Capable 1.7 Wed Feb 24 17:18:56 PST 2010  ImplVersion: 1.7.0.0
WebLogic XML XPath Implementation Client Capable 1.4 Mon Feb 22 15:07:14 PST 2010  ImplVersion: 1.4.0.0
WebLogic Security 1.0 Fri Oct 8 10:32:52 EDT 2010  ImplVersion: 6.1.0.0
WebLogic security ssl classes 1.0 Tue Jun 15 17:39:53 EDT 2010  ImplVersion: 1.0.0.0
WebLogic Nodemanager Plugin Client Capable 1.3 Tue Nov 18 18:23:10 EST 2008  ImplVersion: 1.3.0.0
WebLogic JMS Pool Client Capable 1.8 Thu Mar 3 14:11:40 PST 2011  ImplVersion: 1.8.0.0
WebLogic Http Pub/Sub Module Client Capable 1.6 Mon Jul 12 02:31:07 EDT 2010  ImplVersion: 1.6.0.0
WebLogic WebApp Container Public API Client Capable 1.4 Fri Oct 1 20:01:15 PDT 2010  ImplVersion: 1.4.0.0
WebLogic Coherence Descriptor 1.1 Wed May 5 15:17:47 EDT 2010  ImplVersion: 1.1.0.0
WebLogic Coherence Descriptor 1.1 Binding Bundle ImplVersion: 1.1.0.0
WebLogic WebService Public API’s 1.1 Tue Sep 21 22:15:05 EDT 2010  ImplVersion: 1.1.0.0
WebLogic EclipseLink Integration 1.0 Thu Feb 25 14:56:43 PST 2010  ImplVersion: 1.0.0.0
WebLogic SCA Client 1.0 Thu Feb 25 00:27:10 EST 2010  ImplVersion: 1.0.0.0
WebLogic RAC Module UCP Client Capable 1.0 Mon Sep 13 09:03:00 PDT 2010  ImplVersion: 1.0.0.0

SERVICE NAME                    VERSION INFORMATION
============                    ===================
Kernel                          Commonj WorkManager v1.1
TimerService                    Commonj TimerManager v1.1
CorbaService                    CORBA 2.3, IIOP 1.2, RMI-IIOP SFV2, OTS 1.2, CSIv2 Level 0 + Stateful
XMLService                      XML 1.1
Transaction Service             JTA 1.1
JDBCService                     JSR-221, JDBC 4.0
CustomResourceServerService     1.0.0.0
Servlet Container               Servlet 2.5, JSP 2.1
WebServices                     JSR-173, JAX-RPC, JSR-109, WSDL, WS-Addressing, WS-Policy, JAX-B, JAX-R, UDDI, WS-Management(HP), JAXP-1.3, WS-Security
Pre Admin Singleton Services S  1.0
Singleton Services Batch Manag  1.0
EJB Container                   EJB 3.0
MDBService                      EJB 3.0
EJBTimerService                 EJB 3.0
J2EE Connector                  1.5
JMS Service                     JMS 1.1