CVE-2021-20608: High severity mitsubishi electric gx works2 vulnerability

Published Dec 17, 2021
·
Updated

Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior allows a remote unauthenticated attacker to cause a DoS condition in GX Works2 by getting GX Works2 to read a tampered program file from a Mitsubishi Electric PLC by sending malicious crafted packets to tamper with the program file.

Affected Software

2 affected components
Mitsubishi Electric GX Works2: Versions 1.606G and prior
Mitsubishielectric Gx Works2<=1.606g

Event History

Dec 17, 2021
CVE Published
via MITRE·04:10 PM
Data Sourced
via MITRE·04:10 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2021-20608.

2

What is the title of the vulnerability?

The title of the vulnerability is 'Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric GX Works2'.

3

What is the affected software?

The affected software is Mitsubishi Electric GX Works2 versions 1.606G and prior.

4

How severe is the vulnerability?

The severity of the vulnerability is high with a CVSS score of 7.5.

5

How can the vulnerability be exploited?

The vulnerability can be exploited by a remote unauthenticated attacker who can cause a DoS (Denial of Service) condition in GX Works2 by sending a tampered program file to a Mitsubishi Electric PLC.

6

Is there a fix available for the vulnerability?

Yes, Mitsubishi Electric has released a fix for the vulnerability. Please refer to their official advisory for more information.

Contact

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