CVE-2019-6842

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the PLC when upgrading the firmware with a missing web server image inside the package using FTP protocol.

CVSS v3 4.9 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.se.com/ww/en/download/document/SEVD-2019-281-02/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_bmxcra_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_bmxcra:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_140cra_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_140cra:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-10-29 19:15

Updated : 2024-02-28 17:28

NVD link : CVE-2019-6842

Mitre link : CVE-2019-6842

CVE.ORG link : CVE-2019-6842

JSON object : View

Products Affected

schneider-electric

modicon_m580
modicon_140cra_firmware
modicon_m340_firmware
modicon_140cra
modicon_m340
modicon_m580_firmware
modicon_bmxcra_firmware
modicon_bmxcra

CWE

CWE-755

Improper Handling of Exceptional Conditions

{"id": "CVE-2019-6842", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.2}]}, "published": "2019-10-29T19:15:21.923", "references": [{"url": "https://www.se.com/ww/en/download/document/SEVD-2019-281-02/", "tags": ["Vendor Advisory"], "source": "cybersecurity@se.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-755"}]}, {"type": "Secondary", "source": "cybersecurity@se.com", "description": [{"lang": "en", "value": "CWE-755"}]}], "descriptions": [{"lang": "en", "value": "A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the PLC when upgrading the firmware with a missing web server image inside the package using FTP protocol."}, {"lang": "es", "value": "Existe una vulnerabilidad CWE-755: Manejo inadecuado de condiciones excepcionales en los m\u00f3dulos Modicon M580, Modicon M340, Modicon BMxCRA y 140CRA (todas las versiones de firmware), que podr\u00eda causar un ataque de denegaci\u00f3n de servicio en el PLC al actualizar el firmware con una imagen de servidor web faltante dentro del paquete utilizando el protocolo FTP"}], "lastModified": "2022-02-03T15:59:36.280", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D52D735D-8AB5-40FE-A83F-266977601571"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E876C738-ABF6-4864-98A6-1E06E96A0DF4"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "05CBA9AD-ECB7-453F-8551-DD176FDE8043"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "138681A2-0146-492B-8E10-06849FC27C6E"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:schneider-electric:modicon_bmxcra_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E4E41AAB-05A3-43A4-B97A-34F265E25F40"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:schneider-electric:modicon_bmxcra:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F80F2F1C-F681-4498-942E-31EDA9CF79F8"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:schneider-electric:modicon_140cra_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "76F5D4B2-1C0A-45E8-993C-DBBA4F745345"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:schneider-electric:modicon_140cra:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "94575CFC-1395-4BB4-8D4F-AA41F7068A26"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cybersecurity@se.com"}