Schneider Electric Modicon Weak Password Recovery Mechanism for Forgotten Password (CVE-2022-37300)

critical Tenable OT Security Plugin ID 500700

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized access in read and write mode to the controller when communicating over Modbus. Affected Products: EcoStruxure Control Expert Including all Unity Pro versions (former name of EcoStruxure Control Expert) (V15.0 SP1 and prior), EcoStruxure Process Expert, Including all versions of EcoStruxure Hybrid DCS (former name of EcoStruxure Process Expert) (V2021 and prior), Modicon M340 CPU (part numbers BMXP34*) (V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*) (V3.20 and prior).

- A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized access in read and write mode to the controller when communicating over Modbus. Affected Products: EcoStruxure Control Expert Including all Unity Pro versions (former name of EcoStruxure Control Expert) (V15.0 SP1 and prior), EcoStruxure Process Expert, Including all versions of EcoStruxure Hybrid DCS (former name of EcoStruxure Process Expert) (V2021 and prior), Modicon M340 CPU (part numbers BMXP34*) (V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*) (V3.20 and prior). (CVE-2022-37300)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: Critical

ID: 500700

Version: 1.5

Type: remote

Family: Tenable.ot

Published: 9/15/2022

Updated: 10/11/2023

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2022-37300

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:schneider-electric:modicon_m340_bmxp342010_firmware, cpe:/o:schneider-electric:modicon_m580_bmeh582040c_firmware, cpe:/o:schneider-electric:modicon_m340_bmxp342030h_firmware, cpe:/o:schneider-electric:modicon_m580_bmeh582040_firmware, cpe:/o:schneider-electric:modicon_m340_bmxp342030_firmware, cpe:/o:schneider-electric:modicon_m580_bmep582040h_firmware, cpe:/o:schneider-electric:modicon_m580_bmep586040c_firmware, cpe:/o:schneider-electric:modicon_m580_bmep581020_firmware, cpe:/o:schneider-electric:modicon_m580_bmep586040_firmware, cpe:/o:schneider-electric:modicon_m580_bmeh586040_firmware, cpe:/o:schneider-electric:modicon_m580_bmeh584040c_firmware, cpe:/o:schneider-electric:modicon_m340_bmxp342020_firmware, cpe:/o:schneider-electric:modicon_m580_bmeh584040s_firmware, cpe:/o:schneider-electric:modicon_m580_bmep583040_firmware, cpe:/o:schneider-electric:modicon_m340_bmxp3420302_firmware, cpe:/o:schneider-electric:modicon_m580_bmep582020_firmware, cpe:/o:schneider-electric:modicon_m580_bmeh582040s_firmware, cpe:/o:schneider-electric:modicon_m580_bmep581020h_firmware, cpe:/o:schneider-electric:modicon_m580_bmep584040s_firmware, cpe:/o:schneider-electric:modicon_m340_bmxp342020h_firmware, cpe:/o:schneider-electric:modicon_m340_bmxp342000_firmware, cpe:/o:schneider-electric:modicon_m580_bmep584040_firmware, cpe:/o:schneider-electric:modicon_m340_bmxp3420102_firmware, cpe:/o:schneider-electric:modicon_m580_bmep582020h_firmware, cpe:/o:schneider-electric:modicon_m580_bmep583020_firmware, cpe:/o:schneider-electric:modicon_m580_bmeh584040_firmware, cpe:/o:schneider-electric:modicon_m580_bmep585040c_firmware, cpe:/o:schneider-electric:modicon_m580_bmep582040_firmware, cpe:/o:schneider-electric:modicon_m340_bmxp3420302h_firmware, cpe:/o:schneider-electric:modicon_m580_bmeh586040s_firmware, cpe:/o:schneider-electric:modicon_m580_bmeh586040c_firmware, cpe:/o:schneider-electric:modicon_m580_bmep584020_firmware, cpe:/o:schneider-electric:modicon_m340_bmxp341000_firmware, cpe:/o:schneider-electric:modicon_m580_bmep585040_firmware

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 9/12/2022

Vulnerability Publication Date: 9/12/2022

Reference Information

CVE: CVE-2022-37300

CWE: 640

Detections

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