Home/CVE/A Resource Exhaustion issue was discovered in Schneider Electric Modicon M340 PLC BMXNOC0401, BMXNOE0100, BMXNOE0110, BM
CVE

CVE-2017-6017

A Resource Exhaustion issue was discovered in Schneider Electric Modicon M340 PLC BMXNOC0401, BMXNOE0100, BMXNOE0110, BM

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.

HIGH · CVSS 7.5 EPSS 0.0517
Schedule remediation
  • EPSS percentile: top 10% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

15
schneider-electric bmxnoc0401 firmwareall versions
schneider-electric bmxnoe0100 firmwareall versions
schneider-electric bmxnoe0110 firmwareall versions
schneider-electric bmxnoe0110h firmwareall versions
schneider-electric bmxnor0200h firmwareall versions
schneider-electric modicon m340 bmxp341000 firmwareall versions
schneider-electric modicon m340 bmxp342000 firmwareall versions
schneider-electric modicon m340 bmxp3420102 firmwareall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · ics-cert@hq.dhs.gov
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Jun 2017 · 03:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2017-icsa-17-054-03
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/96414Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-054-03MitigationThird Party AdvisoryUS Government Resource
https://www.schneider-electric.com/en/download/document/SEVD-2017-048-02/
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