CVE-2024-8403 Denial-of-Service Vulnerability in Ethernet port on MELSEC iQ-F Ethernet Module and EtherNet/IP Module
Remote attackers can cause denial of service in Mitsubishi MELSEC iQ-F Ethernet modules by sending crafted SLMP packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-8403?
CVE-2024-8403 is a high-severity denial of service vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET, published on 19 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Validation of Specified Type of Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET versions 1.100 to 1.200 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.
Weakness: CWE-1287
Which versions are affected by CVE-2024-8403?
How do I fix CVE-2024-8403?
No fix has been published for CVE-2024-8403 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-8403 being exploited?
There is no known exploitation of CVE-2024-8403 in the wild and no public exploit code.
Sources
Also known as GHSA-9v3g-gwx4-px97.