The WLS Security component in Oracle WebLogic Server 10.3.6.0, 12.1.2.0, 12.1.3.0, and 12.2.1.0 allows remote attackers to execute arbitrary commands via a crafted serialized Java object in T3 protocol traffic to TCP port 7001, related to oracle_common/modules/com.bea.core.apache.commons.collections.jar. NOTE: the scope of this CVE is limited to the WebLogic Server product.
http://www.openwall.com/lists/oss-security/2015/11/17/19
http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.oracle.com/technetwork/topics/security/alert-cve-2015-4852-2763333.html
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
http://www.securityfocus.com/bid/77539
http://www.securitytracker.com/id/1038292
https://blogs.oracle.com/security/entry/security_alert_cve_2015_4852
https://github.com/foxglovesec/JavaUnserializeExploits/blob/master/weblogic.py