CVE-2021-20601

Description

Improper input validation vulnerability in GOT2000 series GT27 model all versions, GOT2000 series GT25 model all versions, GOT2000 series GT23 model all versions, GOT2000 series GT21 model all versions, GOT SIMPLE series GS21 model all versions, and GT SoftGOT2000 all versions allows an remote unauthenticated attacker to write a value that exceeds the configured input range limit by sending a malicious packet to rewrite the device value. As a result, the system operation may be affected, such as malfunction.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.37%
Vendor Advisory co.jp
Affected: n/a GOT2000 series GT27 model; GOT2000 series GT25 model; GOT2000 series GT23 model; GOT2000 series GT21 model; GOT SIMPLE series GS21 model; GT SoftGOT2000
Published at:
Updated at:

References

Link Tags
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2021-018.pdf vendor advisory
https://jvn.jp/vu/JVNVU98072504 third party advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-320-02 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2021-20601?
CVE-2021-20601 has been scored as a high severity vulnerability.
How to fix CVE-2021-20601?
To fix CVE-2021-20601, 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-2021-20601 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20601 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-2021-20601?
CVE-2021-20601 affects n/a GOT2000 series GT27 model; GOT2000 series GT25 model; GOT2000 series GT23 model; GOT2000 series GT21 model; GOT SIMPLE series GS21 model; GT SoftGOT2000.
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