Uncontrolled Resource Consumption Vulnerability in Modicon M340 CPUs by Schneider Electric
CVE-2022-22724

7.5HIGH

Key Information:

Vendor

Schneider Electric
Status
Modicon M340 Cpus: Bmxp34 (all Versions)
Vendor
CVE Published:
4 February 2022

What is CVE-2022-22724?

An uncontrolled resource consumption vulnerability allows an attacker to launch a denial of service (DoS) attack on Modicon M340 CPUs. By sending a large volume of TCP RST or FIN packets to open TCP ports, particularly on ports 80 (HTTP) and 502 (Modbus), an attacker can overwhelm the CPU's resources, potentially disrupting its availability and functionality.

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Affected Version(s)

Modicon M340 CPUs: BMXP34 (All ) Modicon M340 CPUs: BMXP34 (All Versions)

References

https://download.schneider-electric.com/files?p_Doc_Ref=S...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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