Resource Exhaustion Vulnerability in Schneider Electric Modicon M340 PLC
CVE-2017-6017

7.5HIGH

Key Information:

Vendor
Schneider Electric
Status
Schneider Electric Modicon M340 Plc
Vendor
CVE Published:
30 June 2017

Summary

A Resource Exhaustion issue exists in Schneider Electric Modicon M340 PLCs, where an attacker can exploit the device by sending a specially crafted packet sequence. This can lead to system freezes, necessitating a physical reset by the operator. This vulnerability affects several models of the Modicon M340 PLC, potentially compromising operational efficiency and control.

Affected Version(s)

Schneider Electric Modicon M340 PLC Schneider Electric Modicon M340 PLC

References

https://www.schneider-electric.com/en/download/document/S...
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http://www.securityfocus.com/bid/96414
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https://ics-cert.us-cert.gov/advisories/ICSA-17-054-03
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EPSS Score

6% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.