CVE-2022-0222

HIGH
7.5
CVSS Score
Published: November 22, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:20 AM UTC
32 products affected across 1 vendorModicon M340 BMXP342020 FirmwareModicon M340 BMXP3420302 FirmwareModicon M340 BMXP341000 Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

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)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
schneider-electric-modicon-m340-bmxnoe0100 (same device)
All versions
schneider-electric-modicon-m340-bmxnoe0110 (same device)
All versions
schneider-electric-modicon-m340-bmxnoe0110h (same device)
All versions
schneider-electric-modicon-m340-bmxnor0200h (same device)
v < 3.50
Affected range stops below 3.50, so it looks safe — our inference, not a vendor statement
schneider-electric-modicon-m340-bmxp341000 (same device)
v < 3.50
Affected range stops below 3.50, so it looks safe — our inference, not a vendor statement
schneider-electric-modicon-m340-bmxp342000 (same device)
v < 3.50
Affected range stops below 3.50, so it looks safe — our inference, not a vendor statement
schneider-electric-modicon-m340-bmxp342010 (same device)
v < 3.50
Affected range stops below 3.50, so it looks safe — our inference, not a vendor statement
schneider-electric-modicon-m340-bmxp3420102 (same device)
v < 3.50
Affected range stops below 3.50, so it looks safe — our inference, not a vendor statement
schneider-electric-modicon-m340-bmxp342020 (same device)
v < 3.50
Affected range stops below 3.50, so it looks safe — our inference, not a vendor statement
schneider-electric-modicon-m340-bmxp342020h (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHschneider
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-269

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