CVE-2022-22724

HIGH
7.5
CVSS Score
Published: February 4, 2022 at 10:29 PM UTC
Updated: June 17, 2026 at 04:28 AM UTC
13 products affected across 1 vendorModicon M340 BMXP3420302 FirmwareModicon M340 BMXP341000 FirmwareModicon M340 BMXP3420102 Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%

Description

A CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause a denial of service on ports 80 (HTTP) and 502 (Modbus), when sending a large number of TCP RST or FIN packets to any open TCP port of the PLC. Affected Product: Modicon M340 CPUs: BMXP34 (All Versions)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
schneider-electric-modicon-m340-bmxp341000 (same device)
All versions
schneider-electric-modicon-m340-bmxp342000 (same device)
All versions
schneider-electric-modicon-m340-bmxp342010 (same device)
All versions
schneider-electric-modicon-m340-bmxp3420102 (same device)
All versions
schneider-electric-modicon-m340-bmxp342030 (same device)
All versions
schneider-electric-modicon-m340-bmxp3420302 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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