Unauthorized Modbus Packet Could Lead to Denial of Service and Loss of Confidentiality and Integrity

CVE-2024-11737
9.8CRITICAL

Key Information

Vendor
Schneider Electric
Status
Modicon Controllers M241 / M251
Modicon Controllers M258 / Lmc058
Vendor
CVE Published:
11 December 2024

Summary

CWE-20: Improper Input Validation vulnerability exists that could lead to a denial of service and a loss of confidentiality, integrity of the controller when an unauthenticated crafted Modbus packet is sent to the device.

Affected Version(s)

Modicon Controllers M241 / M251 = All versions

Modicon Controllers M258 / LMC058 = All versions

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

  • Risk change from: null to: 9.8 - (CRITICAL)

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database
.