Home/CVE/A CWE-269: Improper Privilege Management vulnerability exists that could cause a denial of service of the Ethernet commu
CVE

CVE-2022-0222

A CWE-269: Improper Privilege Management vulnerability exists that could cause a denial of service of the Ethernet commu

A CWE-269: Improper Privilege Management vulnerability exists that could cause a denial of service of the Ethernet communication of the controller when sending a specific request over SNMP. Affected products: Modicon M340 CPUs(BMXP34 versions prior to V3.40), Modicon M340 X80 Ethernet Communication modules:BMXNOE0100 (H), BMXNOE0110 (H), BMXNOR0200H RTU(BMXNOE all versions)(BMXNOR* versions prior to v1.7 IR24)

HIGH · CVSS 7.5 EPSS 0.00333
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-269Improper Privilege Management
CWE-269Improper Privilege Management
▤

Affected Products & Versions

14
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
schneider-electric modicon m340 bmxp342030 firmware< 3.50
schneider-electric modicon m340 bmxp3420302 firmware< 3.50
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Scoring & Timeline

7.5
HIGH · 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 NVD22 Nov 2022 · 01:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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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-2022-102-02/Vendor Advisory
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