Weak Password Recovery Mechanism in EcoStruxure Control Expert and Modicon CPUs
CVE-2022-37300

9.8CRITICAL

Key Information:

Vendor

Schneider Electric
Status
Ecostruxure Control Expert
Ecostruxure Process Expert
Modicon M340 Cpu
Modicon M580 Cpu
Vendor
CVE Published:
12 September 2022

What is CVE-2022-37300?

A vulnerability exists due to a weak password recovery mechanism that enables unauthorized access with read and write capabilities to the controller through Modbus communication. This can compromise the integrity and security of industrial control systems, affecting products like EcoStruxure Control Expert and various Modicon CPUs, posing significant risks for operational technology environments.

Affected Version(s)

EcoStruxure Control Expert SP1 <= 15.0

EcoStruxure Process Expert V <= 2021

Modicon M340 CPU BMXP34 <= 3.40

References

https://www.se.com/us/en/download/document/SEVD-2022-221-01/
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.