Avulnerability in Schneider Electric computer control systems popular in heating, air conditioning and other building systems could allow hackers to take control of them, researchers at security firm Armis warn.
The remote code execution vulnerability puts millions of devices at risk, Armis said in a report out Tuesday. The affected Modicon programmable logic controllers (PLCs) are also used widely in manufacturing, automation applications and energy utilities.
The vulnerability could be used to deploy a variety of attacks, from launching ransomware to altering the commands to machinery.
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