CVE-2022-22724

HIGH

Modicon M340 BMXP34 - Denial of Service via TCP RST/FIN Packet Flood

Title source: llm

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)

References (1)

Core 1

Core References

Mitigation, Patch, Vendor Advisory x_refsource_misc

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-01

Scores

CVSS v3 7.5

EPSS 0.0048

EPSS Percentile 65.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-400

Status published

Products (6)

schneider-electric/modicon_m340_bmxp341000_firmware

schneider-electric/modicon_m340_bmxp342000_firmware

schneider-electric/modicon_m340_bmxp3420102_firmware

schneider-electric/modicon_m340_bmxp342010_firmware

schneider-electric/modicon_m340_bmxp3420302_firmware

schneider-electric/modicon_m340_bmxp342030_firmware

Published Feb 04, 2022

Tracked Since Feb 18, 2026