CVE-2021-20589

Description

Buffer access with incorrect length value vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.38.000, GT25 model communication driver versions 01.19.000 through 01.38.000, GT23 model communication driver versions 01.19.000 through 01.38.000 and GT21 model communication driver versions 01.21.000 through 01.39.000, GOT SIMPLE series GS21 model communication driver versions 01.21.000 through 01.39.000, GT SoftGOT2000 versions 1.170C through 1.250L and Tension Controller LE7-40GU-L Screen package data for MODBUS/TCP V1.00 allows a remote unauthenticated attacker to stop the communication function of the products via specially crafted packets.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Affected: n/a GOT2000 series; GOT SIMPLE series; GT SoftGOT2000; Tension Controller
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-20589?
CVE-2021-20589 has been scored as a high severity vulnerability.
How to fix CVE-2021-20589?
To fix CVE-2021-20589, 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-2021-20589 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20589 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-2021-20589?
CVE-2021-20589 affects n/a GOT2000 series; GOT SIMPLE series; GT SoftGOT2000; Tension Controller.
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