Home/CVE/A CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause a denial of service on ports 80 (HTTP
CVE

CVE-2022-22724

A CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause a denial of service on ports 80 (HTTP

A CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause a denial of service on ports 80 (HTTP) and 502 (Modbus), when sending a large number of TCP RST or FIN packets to any open TCP port of the PLC. Affected Product: Modicon M340 CPUs: BMXP34 (All Versions)

HIGH · CVSS 7.5 EPSS 0.00482
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Weakness Classification

CWE-400Uncontrolled Resource Consumption
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Affected Products & Versions

6
schneider-electric modicon m340 bmxp341000 firmwareall versions
schneider-electric modicon m340 bmxp342000 firmwareall versions
schneider-electric modicon m340 bmxp342010 firmwareall versions
schneider-electric modicon m340 bmxp3420102 firmwareall versions
schneider-electric modicon m340 bmxp342030 firmwareall versions
schneider-electric modicon m340 bmxp3420302 firmwareall versions
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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 NVD04 Feb 2022 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-01MitigationPatchVendor Advisory
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