CVE-2024-8403

Denial-of-Service Vulnerability in Ethernet port on MELSEC iQ-F Ethernet Module and EtherNet/IP Module

Description

Improper Validation of Specified Type of Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET versions 1.100 and later and FX5-ENET/IP versions 1.100 to 1.104 allows a remote attacker to cause a Denial of Service condition in Ethernet communication of the products by sending specially crafted SLMP packets.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.27%
Vendor Advisory mitsubishielectric.com
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP
Published at:
Updated at:

References

Link Tags
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2024-009_en.pdf vendor advisory
https://jvn.jp/vu/JVNVU97790713/ government resource
https://www.cisa.gov/news-events/ics-advisories/icsa-24-324-01 government resource

Frequently Asked Questions

What is the severity of CVE-2024-8403?
CVE-2024-8403 has been scored as a high severity vulnerability.
How to fix CVE-2024-8403?
To fix CVE-2024-8403, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-8403 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-8403 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-8403?
CVE-2024-8403 affects Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP.
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