BACKGROUND:
A new vulnerability applies to a family of Schneider Electric programmable logic controllers (PLCs) widely used in manufacturing and commercial controllers. In a report released Tuesday, researchers at Armis dubbed the vulnerability “ModiPwn” because it takes advantage of undocumented commands in the Schneider Modicon device code of the M340, M580 and other models in the Modicon series of controllers. No Simple Patch Available: Schneider has released a set of mitigations for the bug but no one patch is available.
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