CVE-2022-37300

9.8 CRITICAL 0.8% exploit odds Fix listed Other Device

What it is

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).

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.8% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2022-09-12 18:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 04:54 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.8% in the next 30 days (EPSS).
Severity: 9.8 CRITICAL (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2022-09-12 18:15 UTC
Last modified: 2026-06-17 04:54 UTC
Exploit probability: 0.8% · EPSS, next 30 days
Weakness: CWE-640
Record status: Modified

Affected

schneider-electric Ecostruxure Control Expert < 15.1
schneider-electric Ecostruxure Process Expert ≤ 2021
schneider-electric Modicon m340 bmxp341000 Firmware < 3.50
schneider-electric Modicon m340 bmxp342000 Firmware < 3.50
schneider-electric Modicon m340 bmxp342010 Firmware < 3.50
schneider-electric Modicon m340 bmxp3420102 Firmware < 3.50
schneider-electric Modicon m340 bmxp342020 Firmware < 3.50
schneider-electric Modicon m340 bmxp342020h Firmware < 3.50

Attack profile CVSS 3.1 · 9.8

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2022-37300.md and follow it. Check whether this project is affected by CVE-2022-37300. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record