Home/CVE/A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized ac
CVE

CVE-2022-37300

A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized ac

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).

CRITICAL · CVSS 9.8 EPSS 0.00571
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-640Weak Password Recovery Mechanism for Forgotten Password
▤

Affected Products & Versions

36
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
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Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cybersecurity@se.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Sep 2022 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.se.com/us/en/download/document/SEVD-2022-221-01/PatchVendor Advisory
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