HOMEVULNERABILITIESCVE-2022-37300
CRITICAL

CVE-2022-37300

CWE-640Published: September 12, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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).

NVD Source

Technical Analysis

CVE-2022-37300 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

schneider-electric70 product(s)
ecostruxure control expertecostruxure process expertmodicon m340 bmxp341000 firmwaremodicon m340 bmxp341000modicon m340 bmxp342000 firmwaremodicon m340 bmxp342000modicon m340 bmxp342010 firmwaremodicon m340 bmxp342010modicon m340 bmxp3420102 firmwaremodicon m340 bmxp3420102modicon m340 bmxp342020 firmwaremodicon m340 bmxp342020+58
Source: NVD CPE · 70 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.se.com/us/en/download/document/SEVD-2022-221-01/
PATCHhttps://www.se.com/us/en/download/document/SEVD-2022-221-01/

All References (2)

→
https://www.se.com/us/en/download/document/SEVD-2022-221-01/Patch · Vendor Advisory
→
https://www.se.com/us/en/download/document/SEVD-2022-221-01/Patch · Vendor Advisory

Quick Facts

CVE IDCVE-2022-37300
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-640
CISA KEVNo
Affected1 vendor(s)
PublishedSep 12, 2022

Related CVEs (CWE-640)

CVE-2023-3007
9.8
CVE-2023-30466
9.8
CVE-2022-23855
9.8
CVE-2022-3485
9.8
CVE-2022-44004
9.8
CVE-2024-38468
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-37300 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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