This indicates an attack attempt against a Heap overflow vulnerability in Micro Focus GroupWise.
The vulnerability is caused by insufficient validation of usernames and passwords submitted to the Post Office Agent. A remote attacker can exploit this vulnerability by sending a crafted HTTP request to a targeted server and execute arbitrary code in the security context of the root user.
Micro Focus GroupWise 2014
Micro Focus GroupWise 2014 R2 SP1 and prior
System Compromise: Remote attackers can gain control of vulnerable systems.
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