CVE Catalog

CVE-2017-6017

High
Published: Translated: NVD NIST

Summary

A Resource Exhaustion issue was found in Schneider Electric Modicon M340 PLC, which can lead to the device freezing. A remote attacker could send a specially crafted set of packets, causing the PLC to hang.

Risk Assessment

The freezing of the PLC may result in downtime of automation systems, impacting production operations and safety. It requires operator intervention to reset the device.

Recommendation

It is recommended to monitor network traffic to the PLC and implement appropriate security measures to minimize the risk of attack. Consider updating the device firmware if patches are available.

Related vulnerabilities

Original NVD description (English source)

A Resource Exhaustion issue was discovered in Schneider Electric Modicon M340 PLC BMXNOC0401, BMXNOE0100, BMXNOE0110, BMXNOE0110H, BMXNOR0200H, BMXP341000, BMXP342000, BMXP3420102, BMXP3420102CL, BMXP342020, BMXP342020H, BMXP342030, BMXP3420302, BMXP3420302H, and BMXP342030H. A remote attacker could send a specially crafted set of packets to the PLC causing it to freeze, requiring the operator to physically press the reset button on the PLC in order to recover.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS