Vulnerability-Lookup

FKIE_CVE-2019-6831

Vulnerability from fkie_nvd - Published: 2019-09-17 20:15 - Updated: 2026-06-17 02:39

Severity

8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Summary

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions), which could cause disconnection of active connections when an unusually high number of IEC 60870- 5-104 packets are received by the module on port 2404/TCP.

References

URL	Tags
cybersecurity@se.com	https://security.cse.iitk.ac.in/responsible-disclosure	Broken Link
cybersecurity@se.com	https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.cse.iitk.ac.in/responsible-disclosure	Broken Link
af854a3a-2127-422b-91ae-364da2661108	https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/	Vendor Advisory

Impacted products

	Vendor	Product	Version
	schneider-electric	bmxnor0200h_firmware	*
	schneider-electric	bmxnor0200h	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "BMXNOR0200H Ethernet / Serial RTU module",
          "vendor": "Schneider Electric SE",
          "versions": [
            {
              "status": "affected",
              "version": "all firmware versions"
            }
          ]
        }
      ],
      "source": "cybersecurity@se.com"
    }
  ],
  "configurations": [
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          "cpeMatch": [
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              "criteria": "cpe:2.3:o:schneider-electric:bmxnor0200h_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AECF5778-C5F5-4789-BD3D-793B35DDDBDF",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions), which could cause disconnection of active connections when an unusually high number of IEC 60870- 5-104 packets are received by the module on port 2404/TCP."
    },
    {
      "lang": "es",
      "value": "Una CWE-754: Se presenta una vulnerabilidad de Comprobaci\u00f3n Inapropiada de Condiciones Inusuales o Excepcionales en el m\u00f3dulo BMXNOR0200H Ethernet/Serial RTU (todas las versiones de firmware), lo que podr\u00eda causar la desconexi\u00f3n de las conexiones activas cuando un n\u00famero inusualmente alto de paquetes IEC 60870-5104 son recibidos por parte del m\u00f3dulo sobre el puerto 2404/TCP."
    }
  ],
  "id": "CVE-2019-6831",
  "lastModified": "2026-06-17T02:39:45.527",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
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        "impactScore": 4.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2019-09-17T20:15:12.343",
  "references": [
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      "tags": [
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    },
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    },
    {
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    },
    {
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      "tags": [
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  "vulnStatus": "Modified",
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        }
      ],
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    {
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          "value": "CWE-754"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2019-6831 (GCVE-0-2019-6831)

Vulnerability from cvelistv5 – Published: 2019-09-17 19:22 – Updated: 2024-08-04 20:31

Summary

Severity

No CVSS data available.

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions

Assigner

schneider mitre root

References

2 references

URL	Tags
https://www.schneider-electric.com/en/download/do…	x_refsource_CONFIRM
https://security.cse.iitk.ac.in/responsible-disclosure	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Schneider Electric SE	BMXNOR0200H Ethernet / Serial RTU module	Affected: all firmware versions

Show details on NVD website

JSON

To clipboard

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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.