CVE-2012-0393
The ParameterInterceptor component in Apache Struts before 2.3.1.1 does not prevent access to public constructors, which allows remote attackers to create or overwrite arbitrary files via a crafted parameter that triggers the creation of a Java object.
Date published : 2012-01-08
http://archives.neohapsis.com/archives/bugtraq/2012-01/0031.html