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PRIOn knowledge basePRION:CVE-2021-32986HistoryApr 04, 2022 - 8:15 p.m.
Authentication flaw
2022-04-0420:15:00
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After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.
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