CVE-2015-3938 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause a denial of service on Mitsubishi Electric MELSEC FX3G PLC devices by sending a long parameter to the HTTP application.

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-2015-3938?

CVE-2015-3938 is a high-severity denial of service vulnerability in n/a, published on 3 Oct 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The HTTP application on Mitsubishi Electric MELSEC FX3G PLC devices before April 2015 allows remote attackers to cause a denial of service (device outage) via a long parameter.

Weakness: CWE-399

Which versions are affected by CVE-2015-3938?

It affects 1 product.

Products include Mitsubishi Electric Melsec Fx3g.

How do I fix CVE-2015-3938?

No fix has been published for CVE-2015-3938 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-2015-3938 being exploited?

There is no known exploitation of CVE-2015-3938 in the wild and no public exploit code.

Sources

Also known as GHSA-r32j-v8jp-qvpq.

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