This indicates an attack attempt to exploit a Remote Code Injection vulnerability in LAquis SCADA Web Server.
A remote, unauthenticated attacker can exploit this vulnerability by sending a request with a crafted HTTP parameter. Successful exploitation results in arbitrary command execution under the security context of the LAquis SCADA process.
LAquis SCADA 184.108.40.20670 and prior
System Compromise: Remote attackers can gain control of vulnerable systems.
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