CVE-2018-7843

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service when reading memory blocks with an invalid data size or with an invalid data offset in the controller over Modbus.

Score

CVSS 3.1 7.5 High

Status

Modified - cybersecurity@se.com

Published

2019-05-22

Last modified

2024-08-05

Weaknesses

CWE-125

Affected products

• Modicon M340 Firmware (Schneider-electric)
• Modicon M580 Firmware (Schneider-electric)
• Modicon Premium Firmware (Schneider-electric)
• Modicon Quantum Firmware (Schneider-electric)

References

• https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0738