CVE-2018-7847

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service or potential code execution by overwriting configuration settings of the controller over Modbus.

• CWE-287

• https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/Vendor Advisory
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0742Exploit, Third Party Advisory
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0743Third Party Advisory
• https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/Vendor Advisory
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0742Exploit, Third Party Advisory
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0743Third Party Advisory

Published

May 22, 2019

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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