CVE-2021-20608
First published: Fri 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.
Credit: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mitsubishielectric Gx Works2 | <=1.606g | |
| Mitsubishi Electric GX Works2: Versions 1.606G and prior |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-20608.
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'.
What is the affected software?
The affected software is Mitsubishi Electric GX Works2 versions 1.606G and prior.
How severe is the vulnerability?
The severity of the vulnerability is high with a CVSS score of 7.5.
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.
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.
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