This indicates an attack attempt to exploit a code-execution vulnerability in Novell ZENworks.
The vulnerability is caused by an error when the ZENworks Server handles a malicious file uploading request passed to UploadServlet. It allows a remote attacker to upload arbitrary files and execute arbitrary code via sending a crafted HTTP POST request.
Novell ZENworks 10
System Compromise: Remote attackers can gain control of vulnerable systems.
Refer to the vendor's web site for the suggested workaround: