CVE-2022-40266 Denial-of-Service (DoS) Vulnerability in FTP Server Function on GOT2000 Series

Medium 5.3 Published Updated

A remote authenticated attacker can cause a denial of service on Mitsubishi Electric GOT2000 series HMI FTP servers by sending specially crafted commands.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-40266?

CVE-2022-40266 is a medium-severity denial of service vulnerability in Mitsubishi Electric GOT2000 Series GT23 model, published on 24 Nov 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper Input Validation vulnerability in Mitsubishi Electric GOT2000 Series GT27 model FTP server versions 01.39.000 and prior, Mitsubishi Electric GOT2000 Series GT25 model FTP server versions 01.39.000 and prior and Mitsubishi Electric GOT2000 Series GT23 model FTP server versions 01.39.000 and prior allows a remote authenticated attacker to cause a Denial of Service condition by sending specially crafted command.

Weakness: CWE-20

Which versions are affected by CVE-2022-40266?

It affects 3 products.

Products include Mitsubishielectric Got2000 Gt23 Firmware, Mitsubishielectric Got2000 Gt25 Firmware, Mitsubishielectric Got2000 Gt27 Firmware.

How do I fix CVE-2022-40266?

No fix has been published for CVE-2022-40266 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-2022-40266 being exploited?

There is no known exploitation of CVE-2022-40266 in the wild and no public exploit code.

Sources

Also known as GHSA-7mj5-7wjc-fw8c.

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