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SchneiderCVE-2018-7846

HistoryMay 22, 2019 - 8:29 p.m.

CVE-2018-7846

2019-05-2220:29:01

CWE-668

schneider

web.nvd.nist.gov

cve-2018-7846

cwe-501

trust boundary violation

modicon m580

modicon m340

modicon quantum

modicon premium

unauthorized access

brute force attack

modbus protocol

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.004

Percentile

74.3%

JSON

A CWE-501: Trust Boundary Violation vulnerability on connection to the Controller exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause unauthorized access by conducting a brute force attack on Modbus protocol to the controller.

Affected configurations

Nvd

Node

schneider-electricmodicon_m580_firmware

AND

schneider-electricmodicon_m580Match-

Node

schneider-electricmodicon_m340_firmware

AND

schneider-electricmodicon_m340Match-

Node

schneider-electricmodicon_quantum_firmware

AND

schneider-electricmodicon_quantumMatch-

Node

schneider-electricmodicon_premium_firmware

AND

schneider-electricmodicon_premiumMatch-

VendorProductVersionCPE
schneider-electricmodicon_m580_firmware*cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*
schneider-electricmodicon_m580-cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*
schneider-electricmodicon_m340_firmware*cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*
schneider-electricmodicon_m340-cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*
schneider-electricmodicon_quantum_firmware*cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:*
schneider-electricmodicon_quantum-cpe:2.3:h:schneider-electric:modicon_quantum:-:*:*:*:*:*:*:*
schneider-electricmodicon_premium_firmware*cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*
schneider-electricmodicon_premium-cpe:2.3:h:schneider-electric:modicon_premium:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
schneider-electric	modicon_m580_firmware	*	cpe:2.3:o:schneider-electric:modicon_m580_firmware::::::::
schneider-electric	modicon_m580	-	cpe:2.3:h:schneider-electric:modicon_m580:-:::::::*
schneider-electric	modicon_m340_firmware	*	cpe:2.3:o:schneider-electric:modicon_m340_firmware::::::::
schneider-electric	modicon_m340	-	cpe:2.3:h:schneider-electric:modicon_m340:-:::::::*
schneider-electric	modicon_quantum_firmware	*	cpe:2.3:o:schneider-electric:modicon_quantum_firmware::::::::
schneider-electric	modicon_quantum	-	cpe:2.3:h:schneider-electric:modicon_quantum:-:::::::*
schneider-electric	modicon_premium_firmware	*	cpe:2.3:o:schneider-electric:modicon_premium_firmware::::::::
schneider-electric	modicon_premium	-	cpe:2.3:h:schneider-electric:modicon_premium:-:::::::*

CNA Affected

[
  {
    "product": "Modicon M580 Modicon M340 Modicon Quantum Modicon Premium",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Modicon M580 Modicon M340 Modicon Quantum Modicon Premium"
      }
    ]
  }
]

References

www.schneider-electric.com/en/download/document/SEVD-2019-134-11/

www.talosintelligence.com/vulnerability_reports/TALOS-2018-0735

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.004

Percentile

74.3%

JSON

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