Modipwn: code execution vulnerability discovered in Schneider Electric Modicon PLCs


A vulnerability discovered in Schneider Electric (SE) Modicon programmable logic controllers (PLCs) allows full takeover of the industrial chips.

Discovered by Armis researchers, the vulnerability can be used to bypass existing security mechanisms in PLCs to hijack the devices and potentially impact wider industrial setups. The authentication bypass vulnerability, dubbed Modipwn, has been assigned as CVE-2021-22779.

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Source: ZDNet