CVE-2020-6986

In all versions of Omron PLC CJ Series, an attacker can send a series of specific data packets within a short period, causing a service error on the PLC Ethernet module, which in turn causes a PLC service denied result.

• CWE-400
• CWE-400

• https://www.us-cert.gov/ics/advisories/icsa-20-063-03Mitigation, Third Party Advisory, US Government Resource
• https://www.us-cert.gov/ics/advisories/icsa-20-063-03Mitigation, Third Party Advisory, US Government Resource

Published

Mar 5, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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