CVE-2021-20598: Medium severity mitsubishi electric r08sfcpu vulnerability

Published Aug 6, 2021
·
Updated

Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password.

Affected Software

16 affected components
Mitsubishielectric R08sfcpu Firmware
Mitsubishielectric R08sfcpu
Mitsubishielectric R16sfcpu Firmware
Mitsubishielectric R16sfcpu
Mitsubishielectric R32sfcpu Firmware
Mitsubishielectric R32sfcpu
Mitsubishielectric R120sfcpu Firmware
Mitsubishielectric R120sfcpu
Mitsubishielectric R08psfcpu Firmware
Mitsubishielectric R08psfcpu
Mitsubishielectric R16psfcpu Firmware
Mitsubishielectric R16psfcpu
Mitsubishielectric R32psfcpu Firmware
Mitsubishielectric R32psfcpu
Mitsubishielectric R120psfcpu Firmware
Mitsubishielectric R120psfcpu

Event History

Aug 6, 2021
CVE Published
via MITRE·04:53 PM
Data Sourced
via MITRE·04:53 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

The vulnerability ID of this vulnerability is CVE-2021-20598.

2

What is the affected software?

The affected software is Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions).

3

How severe is CVE-2021-20598 vulnerability?

CVE-2021-20598 has a severity rating of 5.3 (medium).

4

How does the vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules work?

The vulnerability allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying to login with incorrect passwords.

5

Are there any patches or fixes available for CVE-2021-20598?

Yes, patches and fixes for CVE-2021-20598 are available. Please refer to the official Mitsubishi Electric PSIRT website for more information.

Contact

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