CVE-2018-7809 - Vulnerability Details - OpenCVE

An Unverified Password Change vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 which could allow an unauthenticated remote user to access the password delete function of the web server.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01984.

Key SSVC decision points have not yet been added.

Vendors	Products
Schneider-electric	Modicom Bmxnor0200h Modicom Bmxnor0200h Firmware Modicom M340 Modicom M340 Firmware Modicom Premium Modicom Premium Firmware Modicom Quantum Modicom Quantum Firmware

Configuration 1 [-]

AND

cpe:2.3:o:schneider-electric:modicom_m340_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicom_m340:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

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

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

Configuration 3 [-]

AND

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

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

Configuration 4 [-]

AND

cpe:2.3:o:schneider-electric:modicom_bmxnor0200h_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicom_bmxnor0200h:-:*:*:*:*:*:*:*

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/
https://www.tenable.com/security/research/tra-2018-38

History

Fri, 11 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.0234}`	epss `{'score': 0.01984}`

MITRE

Status: PUBLISHED

Assigner: schneider

Published: 2018-11-30T19:00:00

Updated: 2024-08-05T06:37:59.446Z

Reserved: 2018-03-08T00:00:00

Link: CVE-2018-7809

Vulnrichment

No data.

NVD

Status : Modified

Published: 2018-11-30T19:29:00.437

Modified: 2024-11-21T04:12:46.357

Link: CVE-2018-7809

Redhat

No data.

OpenCVE Enrichment

No data.

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