CVE-2021-20607

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory mitsubishielectric.com
Affected: n/a Mitsubishi Electric GX Works2; Mitsubishi Electric MELSOFT Navigator; Mitsubishi Electric EZSocket
Published at:
Updated at:

References

Link Tags
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-021_en.pdf patch vendor advisory
https://jvn.jp/vu/JVNVU93817405/index.html third party advisory patch
https://us-cert.cisa.gov/ics/advisories/icsa-21-350-05 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2021-20607?
CVE-2021-20607 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20607?
To fix CVE-2021-20607, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20607 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20607 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20607?
CVE-2021-20607 affects n/a Mitsubishi Electric GX Works2; Mitsubishi Electric MELSOFT Navigator; Mitsubishi Electric EZSocket.
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