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CVE-2021-20600

by Fred · 08/10/2021

Uncontrolled resource consumption in MELSEC iQ-R series C Controller Module R12CCPU-V all versions allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery.

Date published : 2021-10-08

https://jvn.jp/vu/JVNVU94914666/index.html

https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04

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