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CVE-2019-6828

HIGH
7.5
CVSS Score
Published: September 17, 2019 at 07:59 PM UTC
Updated: June 17, 2026 at 02:39 AM UTC
8 products affected across 1 vendorModicon M580 FirmwareModicon M340 FirmwareModicon Quantum Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Modicon M340 Firmware· Schneider Electric
95%
v < 3.10
Affected range stops below 3.10, so it looks safe — our inference, not a vendor statement
schneider-electric-modicon-m340 (same device)
Modicon M580 Firmware· Schneider Electric
95%
v < 2.90
Affected range stops below 2.90, so it looks safe — our inference, not a vendor statement
schneider-electric-modicon-m580 (same device)
Modicon Premium Firmware· Schneider Electric
95%
All versions
schneider-electric-modicon-premium (same device)
Modicon Quantum Firmware· Schneider Electric
95%
All versions
schneider-electric-modicon-quantum (same device)
Modicon M340· Schneider Electric
60%
v < 3.10
Affected range stops below 3.10, so it looks safe — our inference, not a vendor statement
Modicon M580· Schneider Electric
60%
v < 2.90
Affected range stops below 2.90, so it looks safe — our inference, not a vendor statement
Modicon Premium· Schneider Electric
60%
All versions
Modicon Quantum· Schneider Electric
60%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCx_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-248CWE-755

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