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

Published Nov 24, 2022
·
Updated

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.

Affected Software

12 affected components
Mitsubishielectric Got2000 Gt27 Firmware<=01.39.000
Mitsubishielectric Got2000 Gt27
Mitsubishielectric Got2000 Gt25 Firmware<=01.39.000
Mitsubishielectric Got2000 Gt25
Mitsubishielectric Got2000 Gt23 Firmware<=01.39.000
Mitsubishielectric Got2000 Gt23
All of the following
Mitsubishielectric Got2000 Gt27 Firmware<=01.39.000
Mitsubishielectric Got2000 Gt27
All of the following
Mitsubishielectric Got2000 Gt25 Firmware<=01.39.000
Mitsubishielectric Got2000 Gt25
All of the following
Mitsubishielectric Got2000 Gt23 Firmware<=01.39.000
Mitsubishielectric Got2000 Gt23

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Mitsubishi Electric GOT2000 Series FTP Server (GT27) to a version that resolves this vulnerability.

    Fixed in 01.39.000
  2. Upgrade

    Upgrade Mitsubishi Electric GOT2000 Series FTP Server (GT25) to a version that resolves this vulnerability.

    Fixed in 01.39.000
  3. Upgrade

    Upgrade Mitsubishi Electric GOT2000 Series FTP Server (GT23) to a version that resolves this vulnerability.

    Fixed in 01.39.000

Event History

Nov 24, 2022
CVE Published
via MITRE·08:20 AM
Data Sourced
via MITRE·08:20 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2022-40266?

CVE-2022-40266 is an Improper Input Validation vulnerability in Mitsubishi Electric GOT2000 Series GT27, GT25, and GT23 model FTP servers.

2

Which software versions are affected by CVE-2022-40266?

CVE-2022-40266 affects Mitsubishi Electric GOT2000 Series GT27 model FTP server versions 01.39.000 and prior, GT25 model FTP server versions 01.39.000 and prior, and GT23 model FTP server versions 01.39.000 and prior.

3

What is the severity of CVE-2022-40266?

CVE-2022-40266 has a severity rating of 6.5 (medium).

4

How can I fix CVE-2022-40266?

To fix CVE-2022-40266, it is recommended to update the Mitsubishi Electric GOT2000 Series GT27, GT25, and GT23 model FTP server firmware to version 01.40.001 or later, as provided by Mitsubishi Electric.

5

Where can I find more information about CVE-2022-40266?

More information about CVE-2022-40266 can be found at the following references: [JVN](https://jvn.jp/vu/JVNVU95633416) and [Mitsubishi Electric PSIRT](https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-016_en.pdf).

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