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CVE-2017-6017· NVD / CVE Program· CNA icscert

A Resource Exhaustion issue was discovered in Schneider Electric Modicon M340 PLC BMXNOC0401, BMXNOE0100, BMXNOE0110, BMXNOE0110H, BMXNOR020

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.

HighCVSS 7.5 · v3.0—No exploit No fix recorded
Published
Jun 29, 2017
Updated
Jun 16, 2026
EPSS
4.8% · 92th percentile
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Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 4.8%

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

VendorProduct
schneider-electricbmxnoc0401 firmware
schneider-electricbmxnoc0401
schneider-electricbmxnoe0100 firmware
schneider-electricbmxnoe0100
schneider-electricbmxnoe0110 firmware
schneider-electricbmxnoe0110
schneider-electricbmxnoe0110h firmware
schneider-electricbmxnoe0110h
schneider-electricbmxnor0200h firmware
schneider-electricbmxnor0200h
schneider-electricmodicon m340 bmxp341000 firmware
schneider-electricmodicon m340 bmxp341000

and 18 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • schneider-electric bmxnoc0401 firmware2.8
  • schneider-electric bmxnoe0100 firmware2.8
  • schneider-electric bmxnoe0110 firmware2.8
  • schneider-electric bmxnoe0110h firmware2.8
  • schneider-electric bmxnor0200h firmware2.8
  • schneider-electric modicon m340 bmxp341000 firmware2.8
  • schneider-electric modicon m340 bmxp342000 firmware2.8
  • schneider-electric modicon m340 bmxp3420102 firmware2.8
  • schneider-electric modicon m340 bmxp3420102cl firmware2.8
  • schneider-electric modicon m340 bmxp342020 firmware2.8
  • schneider-electric modicon m340 bmxp342020h firmware2.8
  • schneider-electric modicon m340 bmxp342030 firmware2.8
  • schneider-electric modicon m340 bmxp3420302 firmware2.8
  • schneider-electric modicon m340 bmxp3420302h firmware2.8
  • schneider-electric modicon m340 bmxp342030h firmware2.8

Versions reported by the vendor

Affected version ranges reported by the assigning authority (icscert). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a Schneider Electric Modicon M340 PLC

    • Schneider Electric Modicon M340 PLCaffected

Same product

schneider-electric: all records

Other highest-scoring records for the same primary product.

  • CVE-2015-6462Reflected Cross-Site Scripting (nonpersistent) allows an attacker to craft a specific URL, which contains Java script that will be executed
    21Monitor
  • CVE-2015-6461Remote file inclusion allows an attacker to craft a specific URL referencing the Schneider Electric Modicon BMXNOC0401, BMXNOE0100, BMXNOE01
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-400 · Uncontrolled Resource Consumption

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Root cause

Code that parses nested structures sets no depth or size limit. A small input can turn into a disproportionate processing load.

The bug in code

The whole CWE-400 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
function expand(node) {  return node.children.map(expand);}

Fixed

ts
const MAX_DEPTH = 32;function expand(node, depth = 0) {  if (depth > MAX_DEPTH) throw new Error("too deep");  return node.children.map((c) => expand(c, depth + 1));}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records