This indicates an attack attempt against a Stack Buffer Overflow vulnerability in PROMOTIC.
The vulnerability is caused by an error when the vulnerable software handles a malicious http request. It allows a remote attacker to execute arbitrary code on vulnerable systems via a crafted http request.
PROMOTIC versions prior to stable 8.2.19
PROMOTIC versions prior to development 8.3.2
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrades or patches from the vendor.