CVE-2019-6820

8.2 HIGH

A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration ...

Published: 2019-05-22 · Last updated: 2026-05-28

Severity and scoring

CVSS: 8.2 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CWE: CWE-306

Affected products

Vendor	Product
schneider-electric	atv_imc_drive_controller_firmware, modicon_lmc058_firmware, modicon_lmc078_firmware

Description

A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2019-6820
[Vendor advisory]https://www.schneider-electric.com/en/download/document/SEVD-2019-134-02/
[Vendor advisory]https://www.schneider-electric.com/en/download/document/SEVD-2019-134-02/

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