CVE-2021-20607 Integer overflow in Mitsubishi Electric GX Works2; Mitsubishi Electric MELSOFT Navigator; Mitsubishi Electric EZSocket
An attacker can cause a denial of service in Mitsubishi Electric PLC programming software by tricking a user into opening a maliciously crafted project file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-20607?
CVE-2021-20607 is a medium-severity vulnerability in Mitsubishi Electric GX Works2; Mitsubishi Electric MELSOFT Navigator; Mitsubishi Electric EZSocket, published on 17 Dec 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Integer Underflow vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior, Mitsubishi Electric MELSOFT Navigator versions 2.84N and prior and Mitsubishi Electric EZSocket versions 5.4 and prior allows an attacker to cause a DoS condition in the software by getting a user to open malicious project file specially crafted by an attacker.
Weakness: CWE-191
Which versions are affected by CVE-2021-20607?
It affects 3 products.
Products include Mitsubishielectric Ezsocket, Mitsubishielectric Gx Works2, Mitsubishielectric Melsoft Navigator.
How do I fix CVE-2021-20607?
No fix has been published for CVE-2021-20607 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-20607 being exploited?
There is no known exploitation of CVE-2021-20607 in the wild and no public exploit code.
Other vulnerabilities in Mitsubishi Electric GX Works2; Mitsubishi Electric MELSOFT Navigator; Mitsubishi Electric EZSocket
Sources
Also known as GHSA-c5g3-qqp2-f4cv.