What’s Vulnerable › Vulnerabilities

CVE-2019-6820

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-05-22 · updated 2026-06-17
• Weakness: CWE-306

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

Affected products

• Schneider-Electric Atv Imc Drive Controller Firmware: all versions
• Schneider-Electric Modicon Lmc058 Firmware: all versions
• Schneider-Electric Modicon Lmc078 Firmware: all versions
• Schneider-Electric Modicon M100 Firmware: all versions
• Schneider-Electric Modicon M200 Firmware: all versions
• Modicon M221, all references, all versions: all versions
• Schneider-Electric Modicon M241 Firmware: all versions
• Schneider-Electric Modicon M251 Firmware: all versions
• Schneider-Electric Modicon M258 Firmware: all versions
• Schneider-Electric Pacdrive Eco Firmware: all versions
• Schneider-Electric Pacdrive Pro2 Firmware: all versions
• Schneider-Electric Pacdrive Pro Firmware: all versions

References

• https://www.schneider-electric.com/en/download/document/SEVD-2019-134-02/
• https://www.schneider-electric.com/en/download/document/SEVD-2019-134-02/

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