Vulnerability Monitor

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CVE-2019-6820

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

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.2, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts limited integrity, and availability (service disruption) for affected systems. Impacting 24 products from schneider-electric, from schneider-electric, from schneider-electric and 21 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-05-22T20:29:02.137

Last Modified

2024-11-21T04:47:13.107

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.2 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

4.9

Weaknesses
  • Type: Secondary
    CWE-306
  • Type: Primary
    CWE-306
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System schneider-electric modicon_m100_firmware * Yes
Hardware schneider-electric modicon_m100 - No
Operating System schneider-electric modicon_m200_firmware * Yes
Hardware schneider-electric modicon_m200 - No
Operating System schneider-electric modicon_m221_firmware * Yes
Hardware schneider-electric modicon_m221 - No
Operating System schneider-electric atv_imc_drive_controller_firmware * Yes
Hardware schneider-electric atv_imc_drive_controller - No
Operating System schneider-electric modicon_m241_firmware * Yes
Hardware schneider-electric modicon_m241 - No
Operating System schneider-electric modicon_m251_firmware * Yes
Hardware schneider-electric modicon_m251 - No
Operating System schneider-electric modicon_m258_firmware * Yes
Hardware schneider-electric modicon_m258 - No
Operating System schneider-electric modicon_lmc058_firmware * Yes
Hardware schneider-electric modicon_lmc058 - No
Operating System schneider-electric modicon_lmc078_firmware * Yes
Hardware schneider-electric modicon_lmc078 - No
Operating System schneider-electric pacdrive_eco_firmware * Yes
Hardware schneider-electric pacdrive_eco - No
Operating System schneider-electric pacdrive_pro_firmware * Yes
Hardware schneider-electric pacdrive_pro - No
Operating System schneider-electric pacdrive_pro2_firmware * Yes
Hardware schneider-electric pacdrive_pro2 - No
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For schneider-electric's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.