CVE-2023-4625: Denial-of-Service(DoS) Vulnerability in Web server function on MELSEC Series CPU module

Published Nov 6, 2023
·
Updated

Improper Restriction of Excessive Authentication Attempts vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F/iQ-R Series CPU modules Web server function allows a remote unauthenticated attacker to prevent legitimate users from logging into the Web server function for a certain period after the attacker has attempted to log in illegally by continuously attempting unauthorized login to the Web server function. The impact of this vulnerability will persist while the attacker continues to attempt unauthorized login.

Affected Software

126 affected components
All of the following
Mitsubishielectric Fx5u-32mt\/es Firmware
Mitsubishielectric Fx5u-32mt\/es
All of the following
Mitsubishielectric Fx5u-64mt\/es Firmware
Mitsubishielectric Fx5u-64mt\/es
All of the following
Mitsubishielectric Fx5u-80mt\/es Firmware
Mitsubishielectric Fx5u-80mt\/es
All of the following
Mitsubishielectric Fx5u-32mr\/es Firmware
Mitsubishielectric Fx5u-32mr\/es
All of the following
Mitsubishielectric Fx5u-64mr\/es Firmware
Mitsubishielectric Fx5u-64mr\/es
All of the following
Mitsubishielectric Fx5u-80mr\/es Firmware
Mitsubishielectric Fx5u-80mr\/es
All of the following
Mitsubishielectric Fx5u-32mt\/ds Firmware
Mitsubishielectric Fx5u-32mt\/ds
All of the following
Mitsubishielectric Fx5u-64mt\/ds Firmware
Mitsubishielectric Fx5u-64mt\/ds
All of the following
Mitsubishielectric Fx5u-80mt\/ds Firmware
Mitsubishielectric Fx5u-80mt\/ds
All of the following
Mitsubishielectric Fx5u-32mr\/ds Firmware
Mitsubishielectric Fx5u-32mr\/ds
All of the following
Mitsubishielectric Fx5u-64mr\/ds Firmware
Mitsubishielectric Fx5u-64mr\/ds
All of the following
Mitsubishielectric Fx5u-80mr\/ds Firmware
Mitsubishielectric Fx5u-80mr\/ds
All of the following
Mitsubishielectric Fx5u-32mt\/ess Firmware
Mitsubishielectric Fx5u-32mt\/ess
All of the following
Mitsubishielectric Fx5u-64mt\/ess Firmware
Mitsubishielectric Fx5u-64mt\/ess
All of the following
Mitsubishielectric Fx5u-80mt\/ess Firmware
Mitsubishielectric Fx5u-80mt\/ess
All of the following
Mitsubishielectric Fx5u-32mt\/dss Firmware
Mitsubishielectric Fx5u-32mt\/dss
All of the following
Mitsubishielectric Fx5u-64mt\/dss Firmware
Mitsubishielectric Fx5u-64mt\/dss
All of the following
Mitsubishielectric Fx5u-80mt\/dss Firmware
Mitsubishielectric Fx5u-80mt\/dss
All of the following
Mitsubishielectric Fx5uc-32mt\/d Firmware
Mitsubishielectric Fx5uc-32mt\/d
All of the following
Mitsubishielectric Fx5uc-64mt\/d Firmware
Mitsubishielectric Fx5uc-64mt\/d
All of the following
Mitsubishielectric Fx5uc-96mt\/d Firmware
Mitsubishielectric Fx5uc-96mt\/d
All of the following
Mitsubishielectric Fx5uc-32mt\/dss Firmware
Mitsubishielectric Fx5uc-32mt\/dss
All of the following
Mitsubishielectric Fx5uc-64mt\/dss Firmware
Mitsubishielectric Fx5uc-64mt\/dss
All of the following
Mitsubishielectric Fx5uc-96mt\/dss Firmware
Mitsubishielectric Fx5uc-96mt\/dss
All of the following
Mitsubishielectric Fx5uc-32mt\/ds-ts Firmware
Mitsubishielectric Fx5uc-32mt\/ds-ts
All of the following
Mitsubishielectric Fx5uc-32mt\/dss-ts Firmware
Mitsubishielectric Fx5uc-32mt\/dss-ts
All of the following
Mitsubishielectric Fx5uc-32mr\/ds-ts Firmware
Mitsubishielectric Fx5uc-32mr\/ds-ts
All of the following
Mitsubishielectric Fx5uj-24mt\/es Firmware
Mitsubishielectric Fx5uj-24mt\/es
All of the following
Mitsubishielectric Fx5uj-40mt\/es Firmware
Mitsubishielectric Fx5uj-40mt\/es
All of the following
Mitsubishielectric Fx5uj-60mt\/es Firmware
Mitsubishielectric Fx5uj-60mt\/es
All of the following
Mitsubishielectric Fx5uj-24mr\/es Firmware
Mitsubishielectric Fx5uj-24mr\/es
All of the following
Mitsubishielectric Fx5uj-40mr\/es Firmware
Mitsubishielectric Fx5uj-40mr\/es
All of the following
Mitsubishielectric Fx5uj-60mr\/es Firmware
Mitsubishielectric Fx5uj-60mr\/es
All of the following
Mitsubishielectric Fx5uj-24mt\/ess Firmware
Mitsubishielectric Fx5uj-24mt\/ess
All of the following
Mitsubishielectric Fx5uj-40mt\/ess Firmware
Mitsubishielectric Fx5uj-40mt\/ess
All of the following
Mitsubishielectric Fx5uj-60mt\/ess Firmware
Mitsubishielectric Fx5uj-60mt\/ess
All of the following
Mitsubishielectric Fx5uj-24mt\/ds Firmware
Mitsubishielectric Fx5uj-24mt\/ds
All of the following
Mitsubishielectric Fx5uj-40mt\/ds Firmware
Mitsubishielectric Fx5uj-40mt\/ds
All of the following
Mitsubishielectric Fx5uj-60mt\/ds Firmware
Mitsubishielectric Fx5uj-60mt\/ds
All of the following
Mitsubishielectric Fx5uj-24mr\/ds Firmware
Mitsubishielectric Fx5uj-24mr\/ds
All of the following
Mitsubishielectric Fx5uj-40mr\/ds Firmware
Mitsubishielectric Fx5uj-40mr\/ds
All of the following
Mitsubishielectric Fx5uj-60mr\/ds Firmware
Mitsubishielectric Fx5uj-60mr\/ds
All of the following
Mitsubishielectric Fx5uj-24mt\/dss Firmware
Mitsubishielectric Fx5uj-24mt\/dss
All of the following
Mitsubishielectric Fx5uj-40mt\/dss Firmware
Mitsubishielectric Fx5uj-40mt\/dss
All of the following
Mitsubishielectric Fx5uj-60mt\/dss Firmware
Mitsubishielectric Fx5uj-60mt\/dss
All of the following
Mitsubishielectric Fx5uj-24mt\/es-a Firmware
Mitsubishielectric Fx5uj-24mt\/es-a
All of the following
Mitsubishielectric Fx5uj-40mt\/es-a Firmware
Mitsubishielectric Fx5uj-40mt\/es-a
All of the following
Mitsubishielectric Fx5uj-60mt\/es-a Firmware
Mitsubishielectric Fx5uj-60mt\/es-a
All of the following
Mitsubishielectric Fx5uj-24mr\/es-a Firmware
Mitsubishielectric Fx5uj-24mr\/es-a
All of the following
Mitsubishielectric Fx5uj-40mr\/es-a Firmware
Mitsubishielectric Fx5uj-40mr\/es-a
All of the following
Mitsubishielectric Fx5uj-60mr\/es-a Firmware
Mitsubishielectric Fx5uj-60mr\/es-a
All of the following
Mitsubishielectric Fx5s-30mt\/es Firmware
Mitsubishielectric Fx5s-30mt\/es
All of the following
Mitsubishielectric Fx5s-40mt\/es Firmware
Mitsubishielectric Fx5s-40mt\/es
All of the following
Mitsubishielectric Fx5s-60mt\/es Firmware
Mitsubishielectric Fx5s-60mt\/es
All of the following
Mitsubishielectric Fx5s-80mt\/es Firmware
Mitsubishielectric Fx5s-80mt\/es
All of the following
Mitsubishielectric Fx5s-30mr\/es Firmware
Mitsubishielectric Fx5s-30mr\/es
All of the following
Mitsubishielectric Fx5s-40mr\/es Firmware
Mitsubishielectric Fx5s-40mr\/es
All of the following
Mitsubishielectric Fx5s-60mr\/es Firmware
Mitsubishielectric Fx5s-60mr\/es
All of the following
Mitsubishielectric Fx5s-80mr\/es Firmware
Mitsubishielectric Fx5s-80mr\/es
All of the following
Mitsubishielectric Fx5s-30mt\/ess Firmware
Mitsubishielectric Fx5s-30mt\/ess
All of the following
Mitsubishielectric Fx5s-40mt\/ess Firmware
Mitsubishielectric Fx5s-40mt\/ess
All of the following
Mitsubishielectric Fx5s-60mt\/ess Firmware
Mitsubishielectric Fx5s-60mt\/ess
All of the following
Mitsubishielectric Fx5s-80mt\/ess Firmware
Mitsubishielectric Fx5s-80mt\/ess

Event History

Nov 6, 2023
CVE Published
via MITRE·04:57 AM
Data Sourced
via MITRE·04:57 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2023-4625?

CVE-2023-4625 has a high severity rating due to its potential to allow remote unauthenticated attackers to disrupt legitimate access to the Mitsubishi MELSEC iQ-F/iQ-R Series CPUs' web server.

2

How do I fix CVE-2023-4625?

To fix CVE-2023-4625, apply the latest firmware update from Mitsubishi Electric that addresses this vulnerability.

3

What devices are affected by CVE-2023-4625?

CVE-2023-4625 affects Mitsubishi Electric MELSEC iQ-F/iQ-R Series CPU modules with specific firmware versions.

4

What type of attack does CVE-2023-4625 facilitate?

CVE-2023-4625 allows a remote unauthenticated attacker to execute excessive authentication attempts, potentially locking out legitimate users.

5

Is it safe to use devices affected by CVE-2023-4625 without a patch?

Using devices affected by CVE-2023-4625 without the necessary patch increases the risk of unauthorized access and operational disruption.

Contact

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