Schneider (CVE-2022-22724)

high Tenable.ot Plugin ID 500620


The remote OT asset is affected by a vulnerability.


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) This plugin only works with Tenable.ot. Please visit for more information.


Refer to the vendor advisory.

See Also

Plugin Details

Severity: High

ID: 500620

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 3/21/2022

Updated: 3/21/2022

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: Medium

Base Score: 5

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

CVSS Score Source: CVE-2022-22724


Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/o:schneider-electric:modicon_m340_bmxp341000_firmware:-, cpe:/o:schneider-electric:modicon_m340_bmxp342000_firmware:-, cpe:/o:schneider-electric:modicon_m340_bmxp342010_firmware:-, cpe:/o:schneider-electric:modicon_m340_bmxp3420102_firmware:-, cpe:/o:schneider-electric:modicon_m340_bmxp342030_firmware:-, cpe:/o:schneider-electric:modicon_m340_bmxp3420302_firmware:-

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 2/4/2022

Vulnerability Publication Date: 2/4/2022

Reference Information

CVE: CVE-2022-22724

CWE: 400