CVE-2019-6829 - Vulnerability Details - OpenCVE

A CWE-248: Uncaught Exception vulnerability exists in Modicon M580 (firmware version prior to V2.90) and Modicon M340 (firmware version prior to V3.10), which could cause a possible denial of service when writing to specific memory addresses in the controller over Modbus.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00529.

Exploitation poc

Automatable yes

Technical Impact partial

Vendors	Products
Schneider-electric	Modicon M340 Modicon M340 Firmware Modicon M580 Modicon M580 Firmware

Configuration 1 [-]

AND

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

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

Configuration 2 [-]

AND

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

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

No data.

No data.

References

Link	Providers
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/

History

Fri, 29 May 2026 15:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: schneider

Published: 2019-09-17T19:44:12.000Z

Updated: 2026-05-29T14:35:20.646Z

Reserved: 2019-01-25T00:00:00.000Z

Link: CVE-2019-6829

Vulnrichment

Updated: 2024-08-04T20:31:04.339Z

NVD

Status : Modified

Published: 2019-09-17T20:15:12.203

Modified: 2026-05-29T15:16:17.713

Link: CVE-2019-6829

Redhat

No data.

OpenCVE Enrichment

No data.

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