CVE-2021-20592

Description

Missing synchronization vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.39.010, GT25 model communication driver versions 01.19.000 through 01.39.010 and GT23 model communication driver versions 01.19.000 through 01.39.010 and GT SoftGOT2000 versions 1.170C through 1.256S allows a remote unauthenticated attacker to cause DoS condition on the MODBUS/TCP slave communication function of the products by rapidly and repeatedly connecting and disconnecting to and from the MODBUS/TCP communication port on a target. Restart or reset is required to recover.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.39%
Affected: n/a GOT2000 series GT27 model; GT25 model; GT23 model; GT SoftGOT2000
Published at:
Updated at:

References

Link Tags
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-007_en.pdf
https://jvn.jp/vu/JVNVU92414172/index.html

Frequently Asked Questions

What is the severity of CVE-2021-20592?
CVE-2021-20592 has been scored as a high severity vulnerability.
How to fix CVE-2021-20592?
To fix CVE-2021-20592, 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-2021-20592 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20592 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-2021-20592?
CVE-2021-20592 affects n/a GOT2000 series GT27 model; GT25 model; GT23 model; GT SoftGOT2000.
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